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there is a miscarriage of justice: Held: The Supreme Court laid down an overarching principle in Rupa Hurra v. Ashok Hurra [2002] 2 SCR 1006 that the Court may entertain a curative petition to (i) prevent abuse of its process; and (ii) to cure a gross miscarriage of justice – The enumeration of the situations in which the curative jurisdiction can be exercised is not intended to be exhaustive – The Court went on to lay down certain procedural requirements to entertain a curative petition such as a certificate by a Senior Advocate about fulfilling of the requirements. [Paras 33 and 34] Arbitration and Conciliation Act 1996 – s.34 – Scope of interference of courts with arbitral awards: Held: Section 34 of the Arbitration Act delineates the grounds for setting aside an arbitral award – In addition to the grounds on which an arbitral award can be assailed laid down in section 34(2), there is another ground for challenge against domestic awards, such as the award in the present case – Under Section 34(2-A) of the Arbitration Act, a domestic award may be set aside if the 474 [2024] 4 S.C.R. Digital Supreme Court Reports Court finds that it is vitiated by ‘patent illegality’ appearing on the face of the award. [Paras 36, 37] Arbitration and Conciliation Act 1996 – s.34 – Setting aside of domestic award – Ground of patent illegality:

* Author

[2024] 4 S.C.R. 473 : 2024 INSC 292

Delhi Metro Rail Corporation Ltd.

v.

Delhi Airport Metro Express Pvt. Ltd.

Curative Petition (C) Nos.108-109 of 2022

In

Review Petition (C) Nos.1158-1159 of 2021

In

(Civil Appeal Nos 5627-5628 of 2021)

10 April 2024

[Dr Dhananjaya Y Chandrachud,* B R Gavai and

Surya Kant, JJ.]

Issue for Consideration

(i) Whether the curative petition is maintainable; and (ii) Whether

this Court (two-judge Bench) was justified in restoring the arbitral

award which had been set aside by the Division Bench of the

High Court on the ground that it suffered from patently illegality.

Headnotes

Curative Petition – Curative Jurisdiction may be invoked if

there is a miscarriage of justice:

Held: The Supreme Court laid down an overarching principle in

Rupa Hurra v. Ashok Hurra [2002] 2 SCR 1006 that the Court may

entertain a curative petition to (i) prevent abuse of its process; and

(ii) to cure a gross miscarriage of justice – The enumeration of

the situations in which the curative jurisdiction can be exercised

is not intended to be exhaustive – The Court went on to lay down

certain procedural requirements to entertain a curative petition

such as a certificate by a Senior Advocate about fulfilling of the

requirements. [Paras 33 and 34]

Arbitration and Conciliation Act 1996 – s.34 – Scope of

interference of courts with arbitral awards:

Held: Section 34 of the Arbitration Act delineates the grounds for

setting aside an arbitral award – In addition to the grounds on

which an arbitral award can be assailed laid down in section 34(2),

there is another ground for challenge against domestic awards,

such as the award in the present case – Under Section 34(2-A)

of the Arbitration Act, a domestic award may be set aside if the 

474 [2024] 4 S.C.R.

Digital Supreme Court Reports

Court finds that it is vitiated by ‘patent illegality’ appearing on the

face of the award. [Paras 36, 37]

Arbitration and Conciliation Act 1996 – s.34 – Setting aside

of domestic award – Ground of patent illegality:

Held: The ground of patent illegality is available for setting aside

a domestic award, if the decision of the arbitrator is found to be

perverse, or so irrational that no reasonable person would have

arrived at it; or the construction of the contract is such that no fair

or reasonable person would take; or, that the view of the arbitrator

is not even a possible view – A ‘finding’ based on no evidence

at all or an award which ignores vital evidence in arriving at its

decision would be perverse and liable to be set aside under the

head of ‘patent illegality’ – An award without reasons would suffer

from patent illegality – The arbitrator commits a patent illegality by

deciding a matter not within his jurisdiction or violating a fundamental

principle of natural justice. [Para 40]

Constitution of India – Art.136 – Arbitration and Conciliation

Act 1996 – ss. 34, 37 – Remedy u/Art. 136 against a decision

rendered in appeal u/s. 37 of 1996 Act:

Held: In the statutory scheme of the Arbitration Act, a recourse to

s.37 is the only appellate remedy available against a decision u/s.

34 – The Constitution, however, provides the parties with a remedy

u/Art. 136 against a decision rendered in appeal u/s. 37 – This

is the discretionary and exceptional jurisdiction of the Supreme

Court to grant Special Leave to Appeal – While adjudicating the

merits of a Special Leave Petition and exercising its power u/Art.

136, this Court must interfere sparingly and only when exceptional

circumstances exist, justifying the exercise of this Court’s discretion

– The Court must apply settled principles of judicial review such

as whether the findings of the High Court are borne out from the

record or are based on a misappreciation of law and fact – In

particular, this Court must be slow in interfering with a judgement

delivered in exercise of powers u/s. 37 unless there is an error in

exercising of the jurisdiction by the Court u/s. 37. [Paras 42 and 43]

Curative Petition – The petitioner-DMRC and DAMEPL (a

special purpose vehicle incorporated by a consortium)

entered into the Concession Agreement (2008 agreement) –

DAMPEL was to undertake among other things, the design,

supply, installation, testing and commissioning of railway 

[2024] 4 S.C.R. 475

Delhi Metro Rail Corporation Ltd. v.

Delhi Airport Metro Express Pvt. Ltd.

system – Dispute arose between the parties – DAMEPL

alleged that the line was unsafe to operate – Operations were

stopped – DAMEPL issued a notice to DMRC listing defects

attributable to faulty construction and deficient designs

which affected project safety – DMRC was requested to

cure the defects within 90 days from the date of this notice

– Thereafter, DAMPEL issued another notice terminating the

2008 agreement as defects were not cured within 90 days –

Arbitral Tribunal passed award in favour of DAMPEL – Single

Judge of the High Court dismissed the petition filed u/s. 34

of 1996 Act – Division Bench of the High Court allowed the

appeal u/s. 37 of 1996 Act in part – DAMEPL moved a SLP

u/Art. 136 of the Constitution – A two-judge bench of the

Supreme Court allowed the appeal, and restored the award

– Correctness:

Held: Commissioner of Metro Railway Safety (CMRS), after inquiry

and inspection had issued sanction for running of the metro line

– In the instant case, the Division Bench of the High Court found

the award to be perverse, irrational and patently illegal since it

ignored the vital evidence of CMRS certification in deciding the

validity of termination – It underlined the significance of the CMRS

sanction under the Metro Railways (Operation and Maintenance)

Act, 2002 – Also, clause 29.5.1(i) of the 2008 agreement entitles

the concessionaire to terminate the agreement if DMRC “failed to

cure such breach or take effective steps for curing such breach”

within the cure period – Pertinently, the clause uses two separate

phrases, “cure” and “effective steps to cure” – The Tribunal found

that since certain defects remained after the cure period, this was

indicative of the fact that the defects were not cured and that no

effective steps were taken – The Tribunal fails to explain what

amounts to an ‘effective step’ and how the steps taken by DMRC

were not effective, within the meaning of the phrase – Parties

clearly intended that once a cure notice was served on a party, it

would be open to them to either cure defects or to initiate effective

steps, even if they could not culminate into the complete curing of

defects within the cure period – Incremental progress, even if it

does not lead to complete cure, is an acceptable course of action

to prevent termination according to the 2008 Agreement – The

decisions of the Single Judge of the High Court and this Court

(two-judge bench) are similarly silent on the aspect of “effective

steps” – The judgment of this Court also never tested the relevance 

476 [2024] 4 S.C.R.

Digital Supreme Court Reports

of the CMRS certificate vis-à-vis “effective steps” – Admittedly,

some of the defects were cured in their entirety and steps were

taken by DMRC to cure the remainders – DMRC did take certain

steps to alleviate DAMEPL’s concerns so as to warrant this change

of position – There is no explanation forthcoming in the award

about why none of these steps initiated during the cure period

were ‘effective steps’ – This gap in reasoning stems from the

arbitral tribunal wrongly separating the issue of termination and

the CMRS certificate – The structure and safety of the project,

as certified by the CMRS, were thus relevant before the Tribunal,

making the CMRS certificate a vital piece of evidence in deciding

the issue – The CMRS certificate was relevant evidence about

the safety of the structure – The arbitral tribunal erroneously

rejected the CMRS sanction as irrelevant – The Division Bench

correctly held that the arbitral tribunal ignored vital evidence on

the record, resulting in perversity and patent illegality, warranting

interference – The conclusions of the Division Bench are, thus, in

line with the settled precedent including the decisions in Associate

Builders and Ssangyong – The judgment of the two-judge Bench

of this Court, which interfered with the judgment of the Division

Bench of the High Court, has resulted in a miscarriage of justice

– Thus, Curative Petitions allowed. [Paras 44, 48, 49, 50, 53,

54, 58, 67, 68]

Case Law Cited

Rupa Hurra v. Ashok Hurra [2002] 2 SCR 1006 : 2002

4 SCC 388; Associate Builders v. Delhi Development

Authority [2014] 13 SCR 895 : 2015 3 SCC 49;

Ssangyong Engineering & Construction Co. Ltd. v. NHAI

[2019] 7 SCR 522 : 2019 15 SCC 131 – relied on.

List of Acts

Arbitration and Conciliation Act 1996; Arbitration and Conciliation

(Amendment) Act, 2015; Metro Railways (Operation and

Maintenance) Act, 2002.

List of Keywords

Curative Petition; Arbitral awards; Miscarriage of justice; Patent

illegality; Special leave to appeal by the Supreme Court; Concession

Agreement; Arbitration; Defects; Faulty construction; Deficient

designs; Cure; Effective steps to cure; Vital evidence on record. 

[2024] 4 S.C.R. 477

Delhi Metro Rail Corporation Ltd. v.

Delhi Airport Metro Express Pvt. Ltd.

Case Arising From

INHERENT JURISDICTION: Curative Petition(C) Nos. 108-109 of

2022

In

Review Petition(C) Nos. 1158-1159 of 2021

In

Civil Appeal Nos. 5627-5628 of 2021

From the Judgment and Order dated 23.11.2021 in R.P.(C) No. 1158

and 1159 of 2021 and dated 09.09.2021 in C.A. No. 5627 and 5628

of 2021 of the Supreme Court of India

Appearances for Parties

R. Venkataramani, AG., K.K. Venugopal, Parag P Tripathi, Maninder

Singh, Sr. Advs., Tarun Johri, Ankur Gupta, Vishwajeet Tyagi,

Srinivasan Ramaswamy, Chitvan Singhal, Ms. Ashita Chawla, Ankur

Talwar, Ms. Arushi Mishra, Ameyavikrama Thanvi, Kartikey Aggarwal,

Advs. for the Petitioner.

Harish N Salve, Kapil Sibal, J.J. Bhatt, Prateek Seksaria, Sr. Advs.,

Mahesh Agarwal, Rishi Agrawala, Shri Venkatesh, Megha Mehta

Agarwal, Pranjit Bhattacharya, Ms. Madhavi Agarwal, Suhael Buttan,

Vineet Kumar, Ms. Manisha Singh, Nishant Chothani, E.C. Agrawala,

Advs. for the Respondent

Judgment / Order of the Supreme Court

Judgment

Dr Dhananjaya Y Chandrachud, CJI

Table of Contents*

A. Factual Background............................................................ 3

B. DMRC’s claim and the Tribunal’s findings......................... 7

C. Decisions of the High Court............................................... 10

D. Judgment of this Court in appeal....................................... 11

E. Issues in the Curative Petition........................................... 12

* Ed. Note: Pagination as per the original Judgment.

478 [2024] 4 S.C.R.

Digital Supreme Court Reports

F. Submissions........................................................................ 12

G. Analysis............................................................................... 16

I. Curative Jurisdiction may be invoked if there is a

miscarriage of justice..................................................... 16

II. Scope of interference of courts with arbitral awards..... 19

III.The award was patently illegal....................................... 24

i. Interpretation of the termination clause by the

Tribunal was unreasonable.................................... 26

ii. The award overlooked vital evidence and

matters on the record............................................ 29

H. Conclusion........................................................................... 37

1. The curative jurisdiction of this Court under Article 142 of the

Constitution has been invoked in regard to its decision in Delhi Airport

Metro Express Private Limited vs. Delhi Metro Rail Corporation

Ltd.

1

. The judgment remained undisturbed in the exercise of the

review jurisdiction of this Court.2

A. Factual Background

2. The petitioner, Delhi Metro Rail Corporation3 is a state-owned

company wholly owned by the Government of India and the National

Capital Territory of Delhi. The respondent, Delhi Airport Metro

Express Private Limited4

 is a special-purpose vehicle incorporated

by a consortium comprising of Reliance Infrastructure Limited

and Construcciones Y Auxiliar de Ferrocarriles SA, Spain. The

consortium bagged the contract for the construction, operation and

maintenance of the Delhi Airport Metro Express Ltd5

 in 2008. The

Concession Agreement6 envisaged a public-private partnership

1 (2022) 1 SCC 131.

2 Review Petition (C) Nos. 1158-1159/2921.

3 “DMRC”

4 “DAMEPL”/” Concessionaire”

5 “AMEL”

6 “2008 Agreement”

[2024] 4 S.C.R. 479

Delhi Metro Rail Corporation Ltd. v.

Delhi Airport Metro Express Pvt. Ltd.

for providing metro rail connectivity between New Delhi Railway

Station and the Indira Gandhi International Airport and other points

within Delhi.

3. Under the 2008 Agreement, DAMEPL was granted exclusive rights,

license and authority to implement the project and concession in

respect of AMEL. This included the right to manage and operate

the Project as a commercial enterprise. DMRC was to undertake

clearances and bear costs relating to land acquisition, and civil

structures, while DAMEPL was to undertake among other things,

the design, supply, installation, testing and commissioning of railway

systems. DAMEPL was to complete the work in two years, and

thereafter, to maintain AMEL until August 2038.

4. In April 2012, DAMEPL sought a deferment of the concession fee,

citing delays in providing access to the stations by DMRC. DAMEPL

stated that while AMEL had been running without a glitch since 23

February 2011, the retail activity had not picked pace. DAMEPL

urged DMRC to extend their support, to this first-of-its-kind publicprivate partnership by deferring the concession fee payable by

DAMEPL.

5. There was an exchange of correspondence between the parties

which ultimately led the Ministry of Urban Development to convene

a meeting of stakeholders in July 2012. A Joint Inspection Committee

was set up to inspect the defects alleged by DAMEPL.

6. Meanwhile, DAMEPL expressed its intention to halt operations,

alleging that the line was unsafe to operate. Operations were stopped

on 08 July 2012. On 09 July 2012, DAMEPL issued a notice to DMRC

containing a ‘non-exhaustive’ list of eight defects which according to

them, affected the performance of their obligations under the 2008

Agreement7

. The notice stated that the defects were attributable to

faulty construction and deficient designs which affected project safety.

7. DAMEPL stated that the defects caused a “material adverse effect”

on the performance of the obligations by it to operate, manage and

maintain the project. DMRC was therefore requested to cure the

defects within 90 days from the date of this notice, failing which

it stated that it would be considered that a “Material Breach” and

7 “Cure Notice” 

480 [2024] 4 S.C.R.

Digital Supreme Court Reports

a “DMRC Event of Default” had occasioned, entitling DAMEPL to

terminate the 2008 agreement.

8. On 8 October 2012, DAMPEL issued a notice terminating the 2008

agreement.8 The termination notice stated that as 90 days had

elapsed since the cure notice in spite of which the defects had not

been cured within the ‘cure period’, DAMEPL as Concessionaire

was terminating the agreement in terms of clause 29.5.1 of the

2008 agreement.

9. DMRC initiated conciliation under clause 36.1 of the 2008 Agreement.

Since conciliation did not succeed, DMRC initiated arbitration

proceedings on 23 October 2012 under clause 36.2 of the 2008

agreement.

10. On 30 June 2013, DAMEPL halted operations and handed over the

line to DMRC. Before this, on 19 November 2012, both parties made

a joint application to the Commissioner of Metro Railway Safety9

for re-opening of AMEL for public carriage of passengers. Enclosed

with the application, was an administrative note jointly signed by

representatives of both DAMEPL and DMRC, which we shall avert

to in the course of the judgment.

11. Following this application, after inquiry and inspection, the CMRS

issued sanction on 18 January 2013. This sanction was subject to

certain conditions including speed restrictions. Specifically, the metro

was to be run at a speed of 50kmph, and an increase in speed beyond

50kmph up to 80kmph was to be authorized in steps of 10kmph at

a time. For an increase in speed beyond 80kmph, DMRC was to

approach the Commissioner for sanction with a justification as to

the improvements carried out by it.

12. Consequently, on 22 January 2013, AMEL operations were

commenced by DAMEPL. On 30 June 2013, the project assets were

handed over by DAMEPL to DMRC. After that, from 01 July 2013,

DMRC continued AMEL operations.

13. In August 2013, the arbitral tribunal comprising Mr AP Mishra, Mr

SS Khurana and Mr HL Bajaj was constituted.10 On 11 May 2017,

8 “Termination Notice”

9 “CMRS”/”Commissioner”

10 “Tribunal”

[2024] 4 S.C.R. 481

Delhi Metro Rail Corporation Ltd. v.

Delhi Airport Metro Express Pvt. Ltd.

the three-member Tribunal passed a unanimous award in favour of

DAMEPL11.

14. The award held that DAMEPL was entitled first, to the termination

payment of Rs. 2782.33 Crores plus interest in terms of the

concession agreement; second, to expenses incurred in operating

AMEL from 07 January 2013 to 30 June 2013 and debt service made

by DAMEPL during this period, of Rs 147.52 Crores plus interest at

11% per annum from the date of payment of stamp duty; third, to

the refund of the bank guarantee amounting to Rs 62.07 Crores plus

interest at 11% p.a. which had been encashed; fourth, to security

deposits with the service providers, amounting to Rs 56.8 Lakhs

plus interest at 11% p.a.; and that DMRC was entitled to Rs 46.04

Crores as Concession fee for the period from 23 February 2012 to

7 January 2013.

15. Assailing the award, DMRC instituted an application under Section

34 of the Arbitration and Conciliation Act 199612 before the Delhi High

Court. The Single-Judge of the High Court dismissed the petition13.

This gave rise to an appeal under Section 37 before a Division Bench

of the High Court. The appeal was partly allowed.14

16. Against the decision of the Division Bench of the High Court, DAMEPL

moved a Special Leave Petition under Article 136 of the Constitution.

A two-judge bench of this Court allowed the appeal, and restored

the award. The review petition assailing this decision was dismissed.

Thus, the curative petition.

B. DMRC’s claim and the Tribunal’s findings

17. Before the Tribunal, DMRC claimed that – (i) it took steps to cure

the defects immediately after it received the cure notice, including

approaching SYSTRA -the original design consultant and convening

meetings with the Ministry of Urban Development and that DAMEPL

actively participated in all of these steps; (ii) that the real reason

for the termination notice was that DAMPL had ceased to find the

project financially viable. DMRC sought, inter alia, quashing of the

11 “Award”

12 “Arbitration Act”.

13 OMP (COMM) 307/2017 & OMP (I) (COMM) 200/2017 (‘Single Judge’)

14 FAO(OS)(COMM) 58/2018 & CM Nos. 13434/2018 (‘Division Bench’) 

482 [2024] 4 S.C.R.

Digital Supreme Court Reports

termination notice; and a direction to the respondent to resume the

performance of its obligations under the 2008 agreement. DAMEPL,

on the other hand, claimed that there were defects attributable to

DMRC’s faulty design; that these defects were not cured and no

effective steps were taken to cure them within the 90-day cure

period, resulting in material adverse effects to DAMEPL, entitling it

to terminate the concession agreement.

18. The Tribunal was required to adjudicate on the validity of the

termination notice. It framed the following issues:

“Were there any defects in the civil structure of the airport

metro line?

If there were defects, did such defects have a material

adverse effect on the performance of the obligation of

DAMEPL under CA?

If there were defects in the civil structure, which had

a material adverse effect on the performance of the

obligations under the CA by DAMEPL, have such defects

been cured by DMRC and/or have any effective steps been

taken within a period of 90 days from the date of notice

by DAMEPL to cure the defects by DMRC and thus, were

DMRC in breach of the CA as per 29.5.1 (i)?”

19. The Tribunal undertook an analysis of the defects in the structure

and whether they had been cured or effective steps taken during

the cure period. It noted that 72% of the girders were affected by

cracks; the cause of the cracks was uncertain; the depth of the

cracks was not reliably determined; and that the inspection for

repairs carried out at the instance of DMRC was ‘non-serious’.

Further, it noted that there were twists in about 80 girders and

gaps between the shear key and the girders which were not cured

by DMRC in the cure period. Taken together, these defects were

considered to have compromised the integrity of the structure. This,

the Tribunal held, amounted to a breach of DMRC’s obligations

under the 2008 agreement resulting in a material adverse effect

on the concessionaire.

20. The Tribunal framed the legal issues that arose for its consideration.

The issue about the validity of the termination agreement was framed

in the following terms: 

[2024] 4 S.C.R. 483

Delhi Metro Rail Corporation Ltd. v.

Delhi Airport Metro Express Pvt. Ltd.

“D. Was DAMEPL entitled to or justified in termination of

the CA, since the cost of repairs of the alleged defects was

only approximately Rs.14 crores as compared to the total

costs of the project of approximately Rs. 5700 crores?”

21. The issue pertaining to the CMRS certificate was framed as follows:

“H. Did the issuance of certificate by CMRS show that the

defects were duly cured?”

22. Both these issues were answered in the negative by the Tribunal. On

Issue ‘D’ about the validity of the termination, it was held that since

the Tribunal had found that there were defects in the civil structure,

which remained uncured during the cure period, the amount incurred

by DMRC in repairs compared to the overall cost of the project was

irrelevant.15 On issue ‘H’, about the CMRS certificate, the tribunal

found that the CMRS sanction mandated rigorous monitoring of

operations of the line and imposed a speed restriction. Since the

purpose of the line was to serve as a high-speed line, the tribunal found

that the speed restrictions meant that this purpose was not served

and therefore, the CMRS certificate or the subsequent operation of

the line were not relevant in deciding the issues before it.16

C. Decisions of the High Court

23. The Single Judge of the High Court17, deciding the Section 34

application, upheld the award, observing that so long as the award

was reasonable and plausible, considering the material before the

Tribunal no interference was warranted, even if an alternate view

was possible. It was held that the Tribunal, in this case, had analysed

material and evidence in great detail, and arrived at a plausible

conclusion.

24. The Division Bench of the High Court18 partly set aside the award

as perverse and patently illegal, for the following reasons:

24.1. On the validity of the termination, ex-facie, the termination

which was effective immediately from the date of termination

15 The Award, para 93.

16 ibid, paras 105-108.

17 “Single Judge”.

18 “Division Bench”. 

484 [2024] 4 S.C.R.

Digital Supreme Court Reports

was invalid. There was some ambiguity on the relevant date

of termination. The award did not interpret clause 29.5.1(i)

of the concession agreement regarding the duration of the

cure period;

24.2. The speed restrictions were not stated as the reason for

termination in the cure or termination notices and there was no

deliberation on this being a justification for termination before

the Tribunal. Thus, the award was silent and unreasoned on

this issue; and

24.3. Underlining the significance of the CMRS sanction under the

Act of 2002, the findings of the tribunal on this issue were

incorrect because (i) the award overlooked the legal effect

of the CMRS certificate which was binding on the tribunal;

and (ii) the award erroneously treated the CMRS certificate

as irrelevant to the issue of the validity of the termination by

wrongly separating the issue of defects and material adverse

effects from the issue of the certificate.

D. Judgment of this Court in appeal

25. This Court set aside the decision of the Division Bench and restored

the arbitral award on the following grounds:

25.1. There was no ambiguity in the date of termination and even

if a different view from that of the tribunal were possible,

construction of the provisions of the contract was within the

exclusive domain of the tribunal;

25.2. The award was not perverse. The finding of the tribunal that

the defects were not cured was a finding of fact, not warranting

interference;

25.3. DMRC had not contended before the Tribunal that the

certificate was binding and conclusive of the fact that the

defects were cured or that effective steps had been taken; and

25.4. The Division Bench of the High Court was in error in

holding that the issue of the CMRS certificate was wrongly

separated from the issue of defects. It held that dealing with

the certificate separately from the validity of termination did

not render the tribunal’s findings on the latter erroneous. The

Tribunal comprised of engineers and the award could not 

[2024] 4 S.C.R. 485

Delhi Metro Rail Corporation Ltd. v.

Delhi Airport Metro Express Pvt. Ltd.

be scrutinised in the same manner as an award drawn by a

legally trained mind.

26. The review petition against the above judgment of this Court was

dismissed on 23 November 2021.

E. Issues in the Curative Petition

27. The issues that arise for our consideration are (i) whether the

curative petition is maintainable; and (ii) whether this Court was

justified in restoring the arbitral award which had been set aside by

the Division Bench of the High court on the ground that it suffered

from patently illegality.

F. Submissions

28. We have heard Mr R Venkataramani, Attorney General for India

and Mr K K Venugopal, Mr Parag Tripathi, and Mr Maninder Singh

senior counsel on behalf of the petitioners. They made the following

submissions:

28.1. Considering the definition of ‘material adverse effect’ under the

concession agreement, the defects had no material adverse

effect on DAMEPL’s performance of obligations under the

agreement, as is apparent from the running of the metro

line. The purpose of the agreement was fully subserved, as

evinced by the continuous running of the line;

28.2. The purpose of the cure notice was to demand cure

compliance from DMRC. As long as ‘effective steps’ were

taken by DMRC, culminating in cure compliance under the

statutory process under the Metro Railways (Operation

and Maintenance) Act, 200219, the termination notice was

invalid;

28.3. Clause 29.5.1 of the agreement shows that the termination

ought to have been effected after 90 days from the cure notice

plus 90 days in addition. Termination was thus effective only

on 07 January 2013 and on this date, none of the defects

were pending to be rectified by DMRC;

19 The 2002 Act

486 [2024] 4 S.C.R.

Digital Supreme Court Reports

28.4. The sanction/certificate granted by CMRS was issued on a

joint application by both the parties after thorough inspection

of the operations. The terms of the agreement and the

provisions relating to the CMRS process under the 2002 Act

are intrinsically connected;

28.5. The Tribunal should have considered the binding effect of the

CMRS sanction as the issue of speed was neither raised, nor

deliberated before it and was irrelevant to the termination;

28.6. The line has been running since 1 July 2013. The speed

of operations was sanctioned at 50kmph, and has been

progressively increased to 60 kmph in January 2013, 80 kmph

in August 2013, 90 kmph in July 2019, and ultimately 100

kmph and then 110 kmph in 2023. The metro was running

at 80 kmph prior to the termination of the agreement. It is

currently running at 120kmph for which a fresh sanction was

obtained from the CMRS. The smooth operation of the metro

line for five and a half years, until the date of the award was

entirely ignored by the Tribunal, making the award perverse;

28.7. The running of the metro line shows that even if there were

defects, they did not render the metro unviable nor did they

interfere with DAMEPL’s obligations under the agreement.

Thus, the award is perverse and patently illegal;

28.8. The tribunal ignored vital evidence, warranting the High

Court’s interference under Section 37 of the Arbitration Act.

The miscarriage of justice principle is informed by the scheme

of the Arbitration Act;

28.9. The High Court’s interference with the patent illegality was

justified and this Court under Article 136 ought to have been slow

to interfere with the decision of the Division Bench of the high

Court. Miscarriage of justice in terms of the decision in Rupa

Hurra vs. Ashok Hurra20 is linked with patent illegality. The High

Court’s interference under Section 37 was justified because the

exercise of jurisdiction under Section 34 was erroneous; and

28.10. The issue of the fitness of the line was a matter falling under

the 2002 Act under which the Commissioner was the final

20 [2002] 2 SCR 1006 : 2002 4 SCC 388

[2024] 4 S.C.R. 487

Delhi Metro Rail Corporation Ltd. v.

Delhi Airport Metro Express Pvt. Ltd.

authority to decide on the safety of the metro. The certificate

could not have been substituted by the Tribunal’s finding on

safety of the line.

29. We have heard Mr Harish Salve, Mr Kapil Sibal, Mr JJ Bhatt and Mr

Prateek Seksaria, learned senior counsel for the respondent. They

have made the following submissions:

29.1. The curative petition is not maintainable as this Court cannot

revisit the conclusions arrived at by the Tribunal;

29.2. DMRC has taken over the project and has been operating

it since 01 July 2012 without having paid for its operation

between 01 January 2013 till 30 June 2013, except for a

small fraction of the total awarded amount;

29.3. Till early March 2023, the trains were running at 90kmph,

as opposed to the speed of 120kmph at which they ought to

have been running;

29.4. The issue about the relevance of the CMRS certificate has

been squarely addressed by the Single Judge and this Court.

The arbitrator is the sole judge of the quality and the quantity

of evidence;

29.5. The award was made after 68 hearings and after consideration

of 35,000 pages of documents and oral evidence. It has been

two and a half years since this Court restored the award on

09 September 2021 and the review against this decision was

dismissed on 23 November 2021;

29.6. According to the decision in Rupa Hurra (supra), the court is

not supposed to sit over a judgment like a court of appeal. The

scope of the review jurisdiction is narrow in itself and does

not warrant rehearing and correction of a judgment. Curative

proceedings cannot be treated as a second review; and

29.7. DAMEPL is not unjustly enriching itself. DAMEPL completed

the project with an investment of Rs 2802 Crores comprising

of debt and equity contributions and it continued to service

the debt even after handing over the line to DMRC. DMRC on

the other hand, has paid the decretal amount of Rs 2599.18

Crores while Rs 5088 Crores under the decree is outstanding

as on 31 January 2024.

488 [2024] 4 S.C.R.

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G. Analysis

I. Curative Jurisdiction may be invoked if there is a

miscarriage of justice

30. Senior Counsel for the respondent set forth preliminary objections

challenging the maintainability of the Curative Petition, in view of the

scope of that jurisdiction delineated inter alia in the decision in Rupa

Hurra (supra) We will first lay down the contours of the jurisdiction

of this Court to entertain a curative petition in exercise of its inherent

powers under Article 142.

31. In Rupa Hurra (supra), a Constitution Bench of this Court dwelt on

whether any relief is available against a final judgement of this Court

after the dismissal of a petition seeking review of the judgement.

Two opinions were authored. The main judgment was by Justice

Syed Shah Quadri (on behalf of Chief Justice S P Bharucha, Justice

Variava, Justice Shivraj Patil and himself). A concurring opinion was

authored by Justice U C Banerjee.

32. Justice Quadri observed that the concern of the Court for rendering

justice in a cause cannot be considered less important than the

principle of finality. There are certain situations, the opinion observed,

which would require reconsideration of a final judgement even after

the review has been dismissed to set right a miscarriage of justice.

Such circumstances, the court held, are those where declining to

reconsider the judgement would be oppressive to judicial conscience

and cause the perpetuation of irremediable injustice. Justice Quadri

observed:

“42. … the duty to do justice in these rarest of rare cases

shall have to prevail over the policy of certainty of judgment

as though it is essentially in the public interest that a final

judgment of the final court in the country should not be

open to challenge, yet there may be circumstances, as

mentioned above, wherein declining to reconsider the

judgment would be oppressive to judicial conscience

and would cause perpetuation of irremediable

injustice.”

(emphasis supplied)

33. This Court laid down an overarching principle that the Court may

entertain a curative petition to (i) prevent abuse of its process; and 

[2024] 4 S.C.R. 489

Delhi Metro Rail Corporation Ltd. v.

Delhi Airport Metro Express Pvt. Ltd.

(ii) to cure a gross miscarriage of justice.21 The Court provided

examples of such circumstances, such as a violation of the principles

of natural justice; or a situation where the Judge fails to disclose his

connection with the subject matter or the parties, giving scope for

an apprehension of bias. However, the Court observed that it is not

possible to exhaustively enumerate the grounds on which a curative

petition may be entertained. The Court noted as follows:

“50. The next step is to specify the requirements to entertain

such a curative petition under the inherent power of this

Court so that floodgates are not opened for filing a second

review petition as a matter of course in the guise of a

curative petition under inherent power. It is common ground

that except when very strong reasons exist, the Court

should not entertain an application seeking reconsideration

of an order of this Court which has become final on

dismissal of a review petition. It is neither advisable nor

possible to enumerate all the grounds on which such

a petition may be entertained.

51. Nevertheless, we think that a petitioner is entitled to

relief ex debito justitiae if he establishes (1) violation of the

principles of natural justice in that he was not a party to

the lis but the judgment adversely affected his interests or,

if he was a party to the lis, he was not served with notice

of the proceedings and the matter proceeded as if he had

notice, and (2) where in the proceedings a learned Judge

failed to disclose his connection with the subject-matter or

the parties giving scope for an apprehension of bias and

the judgment adversely affects the petitioner.”

34. The enumeration of the situations in which the curative jurisdiction

can be exercised is thus not intended to be exhaustive. The Court

went on to lay down certain procedural requirements to entertain a

curative petition such as a certificate by a Senior Advocate about

fulfilling of the requirements.

35. In his concurring opinion, Justice Banerjee also laid down a similar

test of ‘manifest injustice’ to exercise the jurisdiction of this Court

21 Rupa Hurra, para 49.

490 [2024] 4 S.C.R.

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under Article 142 while entertaining a curative petition. In essence, the

jurisdiction of this Court, while deciding a curative petition, extends

to cases where the Court acts beyond its jurisdiction, resulting in

a grave miscarriage of justice. We now proceed to lay down the

scope of jurisdiction of this Court and the competent courts below

while dealing with cases arising out of an application to set aside

an arbitral award under Section 34 of the Arbitration Act.

II. Scope of interference of courts with arbitral awards

36. Section 34 of the Arbitration Act delineates the grounds for setting

aside an arbitral award. The provision, as amended by the Arbitration

and Conciliation (Amendment) Act, 2015 reads as follows:

“34. Application for setting aside arbitral award.—

(2) An arbitral award may be set aside by the Court only if—

(b) the Court finds that--

(i) the subject-matter of the dispute is not capable of

settlement by arbitration under the law for the time being

in force, or

(ii) the arbitral award is in conflict with the public policy

of India.

Explanation 1. --For the avoidance of any doubt, it is

clarified that an award is in conflict with the public policy

of India, only if,--

(i) the making of the award was induced or affected by

fraud or corruption or was in violation of section 75 or

section 81; or

(ii) it is in contravention with the fundamental policy of

Indian law; or

(iii) it is in conflict with the most basic notions of morality

or justice.

Explanation 2. --For the avoidance of doubt, the test as

to whether there is a contravention with the fundamental 

[2024] 4 S.C.R. 491

Delhi Metro Rail Corporation Ltd. v.

Delhi Airport Metro Express Pvt. Ltd.

policy of Indian law shall not entail a review on the merits

of the dispute.

(2A) An arbitral award arising out of arbitrations other

than international commercial arbitrations, may also

be set aside by the Court, if the Court finds that the

award is vitiated by patent illegality appearing on the

face of the award:

Provided that an award shall not be set aside merely on

the ground of an erroneous application of the law or by

reappreciation of evidence.”

(emphasis supplied)

37. The contours of the power of the competent court to set aside an

award under Section 34 has been explored in several decisions of

this Court. In addition to the grounds on which an arbitral award

can be assailed laid down in Section 34(2), there is another ground

for challenge against domestic awards, such as the award in the

present case. Under Section 34(2-A) of the Arbitration Act, a domestic

award may be set aside if the Court finds that it is vitiated by ‘patent

illegality’ appearing on the face of the award.

38. In Associate Builders vs. Delhi Development Authority22, a twojudge Bench of this Court held that although the interpretation of a

contract is exclusively within the domain of the arbitrator, construction

of a contract in a manner that no fair-minded or reasonable person

would take, is impermissible. A patent illegality arises where the

arbitrator adopts a view which is not a possible view. A view can be

regarded as not even a possible view where no reasonable body of

persons could possibly have taken it. This Court held with reference

to Sections 28(1)(a) and 28(3), that the arbitrator must take into

account the terms of the contract and the usages of trade applicable

to the transaction. The decision or award should not be perverse

or irrational. An award is rendered perverse or irrational where the

findings are (i) based on no evidence; (ii) based on irrelevant material;

or (iii) ignores vital evidence. Patent illegality may also arise where

the award is in breach of the provisions of the arbitration statute, as

when for instance the award contains no reasons at all, so as to be

22 [2014] 13 SCR 895 : 2015 3 SCC 49. 

492 [2024] 4 S.C.R.

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described as unreasoned. A fundamental breach of the principles

of natural justice will result in a patent illegality, where for instance

the arbitrator has let in evidence behind the back of a party. In the

above decision, this Court observed:

“31. The third juristic principle is that a decision which is

perverse or so irrational that no reasonable person would

have arrived at the same is important and requires some

degree of explanation. It is settled law that where:

(i) a finding is based on no evidence, or

(ii) an Arbitral Tribunal takes into account something

irrelevant to the decision which it arrives at; or

(iii) ignores vital evidence in arriving at its decision,

such decision would necessarily be perverse.

42.2. (b) A contravention of the Arbitration Act itself

would be regarded as a patent illegality — for example

if an arbitrator gives no reasons for an award in

contravention of Section 31(3) of the Act, such award

will be liable to be set aside.”

(emphasis supplied)

39. In Ssangyong Engineering & Construction Co. Ltd. vs. NHAI23,

a two-judge bench of this Court endorsed the position in Associate

Builders (supra), on the scope for interference with domestic awards,

even after the 2015 Amendment:

“40. The change made in Section 28(3) by the Amendment

Act really follows what is stated in paras 42.3 to 45 in

Associate Builders, namely, that the construction of the

terms of a contract is primarily for an arbitrator to decide,

unless the arbitrator construes the contract in a manner

that no fair-minded or reasonable person would; in

short, that the arbitrator’s view is not even a possible

view to take. Also, if the arbitrator wanders outside the

23 [2019] 7 SCR 522 : 2019 15 SCC 131

[2024] 4 S.C.R. 493

Delhi Metro Rail Corporation Ltd. v.

Delhi Airport Metro Express Pvt. Ltd.

contract and deals with matters not allotted to him,

he commits an error of jurisdiction. This ground of

challenge will now fall within the new ground added

under Section 34(2-A).

41. … Thus, a finding based on no evidence at all or

an award which ignores vital evidence in arriving at its

decision would be perverse and liable to be set aside

on the ground of patent illegality. Additionally, a finding

based on documents taken behind the back of the parties

by the arbitrator would also qualify as a decision based

on no evidence inasmuch as such decision is not based

on evidence led by the parties, and therefore, would also

have to be characterised as perverse.”

(emphasis supplied)

40. In essence, the ground of patent illegality is available for setting

aside a domestic award, if the decision of the arbitrator is found to

be perverse, or so irrational that no reasonable person would have

arrived at it; or the construction of the contract is such that no fair

or reasonable person would take; or, that the view of the arbitrator

is not even a possible view.24 A ‘finding’ based on no evidence at all

or an award which ignores vital evidence in arriving at its decision

would be perverse and liable to be set aside under the head of

‘patent illegality’. An award without reasons would suffer from patent

illegality. The arbitrator commits a patent illegality by deciding a

matter not within his jurisdiction or violating a fundamental principle

of natural justice.

41. A judgment setting aside or refusing to set aside an arbitral award

under Section 34 is appealable in the exercise of the jurisdiction

of the court under Section 37 of the Arbitration Act. It has been

clarified by this Court, in a line of precedent, that the jurisdiction

under Section 37 of the Arbitration Act is akin to the jurisdiction of

the Court under Section 34 and restricted to the same grounds of

challenge as Section 34.25

24 Patel Engineering Limited vs North Eastern Electric Power Corporation Limited (2020) 7 SCC 176.

25 MMTC Ltd. v. Vedanta Ltd, (2019) 4 SCC 163, para 14; Konkan Railways v. Chenab Bridge Project

Undertaking, 2023 INSC 742, para 14. 

494 [2024] 4 S.C.R.

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42. In the statutory scheme of the Arbitration Act, a recourse to Section

37 is the only appellate remedy available against a decision under

Section 34. The Constitution, however, provides the parties with a

remedy under Article 136 against a decision rendered in appeal under

Section 37. This is the discretionary and exceptional jurisdiction of

this Court to grant Special Leave to Appeal. In fact, Section 37(3) of

the Arbitration Act expressly clarifies that no second appeal shall lie

from an order passed under Section 37, but nothing in the section

takes away the constitutional right under Article 136. Therefore, in

a sense, there is a third stage at which this court tests the exercise

of jurisdiction by the courts acting under Section 34 and Section 37

of the Arbitration Act.

43. While adjudicating the merits of a Special Leave Petition and

exercising its power under Article 136, this Court must interfere

sparingly and only when exceptional circumstances exist, justifying

the exercise of this Court’s discretion.26 The Court must apply settled

principles of judicial review such as whether the findings of the High

Court are borne out from the record or are based on a misappreciation

of law and fact. In particular, this Court must be slow in interfering

with a judgement delivered in exercise of powers under Section 37

unless there is an error in exercising of the jurisdiction by the Court

under Section 37 as delineated above. Unlike the exercise of power

under Section 37, which is akin to Section 34, this Court (under

Article 136) must limit itself to testing whether the court acting under

Section 37 exceeded its jurisdiction by failing to apply the correct

tests to assail the award.

III. The award was patently illegal

44. In the case at hand, the Division Bench found the award to

be perverse, irrational and patently illegal since it ignored the

vital evidence of CMRS certification in deciding the validity of

termination. This, the Division Bench held, overlooked the statutory

certification deeming it irrelevant without reasons and thus the

award was patently illegal according to the test in Associate

Builders (supra).27

26 Chandi Prasad Chokhani v. State of Bihar, AIR 1961 SC 1708; Pritam Singh v. State, 1950 SCC 189.

27 Division Bench, paras 98-99. 

[2024] 4 S.C.R. 495

Delhi Metro Rail Corporation Ltd. v.

Delhi Airport Metro Express Pvt. Ltd.

45. This Court in appeal against the judgment of the Division Bench

of the High Court held that the award was not perverse. Factual

findings such as the finding that the cure period was 90 days and

that DAMEPL was entitled to terminate the contract, could not, it was

held, be interfered with.28 On the CMRS Certificate, this Court held

that the arbitral tribunal was deciding whether there was a breach

of the agreement and whether the defects were cured within the

cure period; hence the safety of the line was not an issue before

the tribunal. This Court held that the Commissioner may be the

competent authority to determine the safety of the project but the

certificate itself did not show that the defects were cured within 90

days. This Court disagreed with the Division Bench and held that the

CMRS certificate had no bearing on the validity of the termination.

46. There is a fundamental error in the manner in which this Court dealt

with the challenge to the decision of the High Court. This jurisdiction

of this Court was invoked under Article 136 of the Constitution. The

Court was exercising its jurisdiction over a decision rendered by the

Division Bench of the High Court in appeal under Section 37. The

Division Bench had held that the award overlooked crucial facts and

evidence on record that were crucial to the determination of the issues

before the arbitral tribunal. This led to the award being perverse and

patently illegal within the parameters of Section 34 as explained

in the judgments of this Court in Associate Builders (supra) and

Ssangyong (supra). The award overlooked the express terms of

clause 29.5.1(i) which stipulated that if “effective steps” were taken

during the cure period by DMRC, the contractual power to terminate

could not be exercised. This Court incorrectly considered the CMRS

certificate to be irrelevant to the validity of the termination.

i. Interpretation of the termination clause by the Tribunal was

unreasonable

47. Interference with an arbitral award cannot frustrate the ‘commercial

wisdom behind opting for alternate dispute resolution’, merely because

an alternate view exists.29 However, the interpretation of a contract

cannot be unreasonable, such that no person of ordinary prudence

would take it. The contract, which is a culmination of the parties’

28 Civil Appeal, para 31.

29 Dyna Technologies Private Limited v. Crompton Greaves Limited, (2019) 20 SCC 1, paras 24, 25. 

496 [2024] 4 S.C.R.

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agency, should be given full effect. If the interpretation of the terms

of the contract as adopted by the tribunal was not even a possible

view, the award is perverse.30

48. Clause 29.5.1(i) entitles the concessionaire to terminate the

agreement if DMRC “failed to cure such breach or take effective

steps for curing such breach” within the cure period. Pertinently,

the clause uses two separate phrases, “cure” and “effective steps

to cure”. The clause reads as follows:

“29.5.1 The Concessionaire may after giving 90 (ninety)

days’ notice in writing to DMRC terminate this Agreement

upon the occurrence and continuation of any of the following

events (each a “DMRC Event of Default”), unless any

such DMRC Event of Default has occurred as a result

of Concessionaire Event of Default or due to a Force

Majeure Event.

(i) DMRC is in breach of this Agreement and such breach

has a Material Adverse Effect on the Concessionaire and

DMRC has failed to cure such breach or take effective

steps for curing such breach within 90 (ninety) days of

receipt of notice in this behalf from the Concessionaire;”

(emphasis supplied)

49. The Tribunal found that since certain defects remained after the

cure period, this was indicative of the fact that the defects were not

cured and that no effective steps were taken. However, logically,

the fact that defects existed at the end of the cure period relates

to one aspect of the termination clause – that the defects were not

completely cured. It does not explain whether effective steps were

taken within the cure period. Effectively, the Tribunal considered that

in-progress steps that had not yet culminated into completely cured

defects were not “effective steps” to offset termination. This places

the two components i.e. ‘curing of defects’ and ‘taking effective steps

to cure defects’ at par, to mean that only the completed curing of

defects is relevant. The Tribunal fails to explain what amounts to an

‘effective step’ and how the steps taken by DMRC were not effective,

within the meaning of the phrase.

30 Konkan Railway Corporation Limited v. Chenab Bridge Project Undertaking, 2023 9 SCC 85.

[2024] 4 S.C.R. 497

Delhi Metro Rail Corporation Ltd. v.

Delhi Airport Metro Express Pvt. Ltd.

50. Evidently, this could not have been the intention of the parties,

because they have clearly agreed to include the phrase “effective

steps”. They clearly intended that once a cure notice was served

on a party, it would be open to them to either cure defects or to

initiate effective steps, even if they could not culminate into the

complete curing of defects within the cure period. Incremental

progress, even if it does not lead to complete cure, is an acceptable

course of action to prevent termination according to the 2008

Agreement.

51. The Tribunal did not appreciate the individual import of the two

phrases separately from each other. This was not a matter of mere

“alternate interpretation” of the clause, but an unreasonable and

uncalled for interpretation of the clause, which frustrated the very

provision, and which no reasonable person would have accepted

considering the terms of the clause. We must clarify that Tribunal

could have still arrived at the conclusion that the steps taken during

the cure period were not effective within the meaning of the clause

for certain reasons. However, such discussion and reasoning is

conspicuously absent.

52. Issue H framed by the Tribunal- “Did the issuance of certificate by

CMRS show that the defects were duly cured” similarly glosses

over the effective steps aspect of the clause. Given this framing,

the issue was bound to be answered in the negative since

the CMRS certificate does not conclude that the defects were

completely cured.

53. The decisions of the Single Judge and this Court are similarly silent

on the aspect of “effective steps”. In paragraphs 31 to 34 of its

judgment, this Court noted that since the defects were not cured in

90 days, the termination was valid. Impliedly, this Court found that

the defects ought to have been fully cured within the cure period

in order to avoid termination.

54. The judgment of this Court also never tested the relevance of the

CMRS certificate vis-à-vis “effective steps”. This Court accepted a

reading of the termination clause by the Arbitral tribunal and the

Single Judge that was not even a possible view and could not

have been arrived at on any objective assessment. This Court not

only overlooked the plain words of the clause but also rendered the

phrase “effective steps” otiose. 

498 [2024] 4 S.C.R.

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ii. The award overlooked vital evidence and matters on the record

55. The erroneous and misleading framing of the issue as noted above led

to the ignoring of vital evidence relevant to the issue of termination.

The arbitral tribunal held that since the Commissioner imposed

conditions of inspection and speed restrictions, this meant that the

defects were not fully cured.

56. Certainly, the imposition of conditions shows that the defects were

not cured completely, to warrant an unconditional sanction for full

speed operations. However, as the Division Bench of the High Court

correctly observed, the separation of the validity of termination and

relevance of the CMRS certificate was the reason for this erroneous

finding. Since the ‘effective steps’ aspect was overlooked, the CMRS

certificate was erroneously deemed to be irrelevant.

57. On 19 November 2012, a joint application was made by the parties

to the Commissioner under the 2002 Act. Significantly, the annexure

to the application which was jointly signed by the parties states as

set out below:

“f) The repairs have been Inspected by an Independent

Engineer M/s TUV, engaged by

DMRC to conduct the technical check on the quality

of work and to ensure that the repairs are carried out

as per the approved repair methodology. The copies

of the certificates obtained from TUV are enclosed as

Annexures xvii.

g) Cracks in soffit of some ‘U’ girders were also observed

and, therefore, inspection of all the girders have been

done and mapping of the cracks have been undertaken

accordingly (Annexure-xviii). Cracks have beery noticed

in 367 girders. These cracks were analysed by M/s

SYSTRA and their report is, enclosed as Annexure xix.

They have concluded that there is no effect on the

integrity of the girders and that there is no reason

to-be further worried. M/s SYSTRA have also given

the repair methodology for these cracks from the point of

view of durability and to avoid permeation of water during

the service life of girders, (Included in Annexure-xvi).

Accordingly, the cracks wider than 0.2 mm have been 

[2024] 4 S.C.R. 499

Delhi Metro Rail Corporation Ltd. v.

Delhi Airport Metro Express Pvt. Ltd.

Injected with epoxy resin and cracks less than 0.2 mm

have been sealed with epoxy sealant.

h) Train trials after repairs by DMRC have been

completed successfully and all systems have been

checked for correct functioning at various speeds

Including at speed of 120 kmph. Track recording was

done with OMS-2000 during these trials and no peak of

value ≥ 0.15g was recorded upto 120 Kmph (results of

OMS 2000 are enclosed in Annexure XIV)”

(emphasis supplied)

58. Admittedly, some of the defects were cured in their entirety and

steps were taken by DMRC to cure the remainders, based on which

the parties had jointly sought permission under the 2002 Act. The

parties stated that the repairs had been inspected by an independent

engineer; an analysis of the cracks revealed that the integrity of the

girders was intact and there was no cause of concern. Further, the

parties stated that the train trials “after repairs by DMRC have been

completed successfully and all systems have been checked for correct

functioning at various speeds including the speed of 120kmph”. It is

apparent on the face of the record that certain repairs were completed

by DMRC and the trials had been completed at full speed as on the

date of application, 19 November 2012.

59. On 9 July 2012, about four months before the date of the joint

application, DAMEPL had averred in the cure notice that the project

was not ‘safe for operations’ and that it posed a threat to life and

property. The arbitral tribunal was correct in concluding that the joint

application does not constitute a waiver of the termination, but this

evidence was vital considering the change in DAMEPL’s position

on the safety of the line from the date of the cure notice to the date

of the joint application. DMRC did take certain steps to alleviate

DAMEPL’s concerns so as to warrant this change of position. There

is no explanation forthcoming in the award about why none of these

steps initiated during the cure period were ‘effective steps’. This gap

in reasoning stems from the arbitral tribunal wrongly separating the

issue of termination and the CMRS certificate.

60. Besides the effective steps aspect, there is another reason why the

CMRS certificate ought to have been treated as relevant. The Tribunal

treats the cure notice as a crucial document. At paragraph 26 of the 

500 [2024] 4 S.C.R.

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award, it noted that “since the cure notice dated 9th July 2012 is a

crucial document in this case, it is useful to quote certain paragraphs

of the said letter”. The cure notice, in turn, was heavily premised on

the safety of operations.31 Interestingly, at paragraph 27 of the cure

notice, DAMEPL avers that the trains can only be operated once

the defects are cured to the satisfaction of the stakeholders about

the safety of operations.

61. Reference may be made to the 2002 Act under which the CMRS is

the relevant statutory stakeholder whose satisfaction about the safety

of operations is necessary for running of the metro. The relevant

provisions of the Act may be adverted to here:

“14. Sanction of Central Government to the opening

of metro railway.—The metro railway in the the National

Capital Region, metropolitan city and metropolitan area shall

not be opened for the public carriage of passengers except

with the previous sanction of the Central Government.

15. Formalities to be complied with before giving

sanction to the opening of metro railway.—(1) The

Central Government shall, before giving its sanction to the

opening of the metro railway under Section 14, obtain a

report from the Commissioner that—

(a) he has made a careful inspection of the metro railway

and the rolling stock that may be used thereon;

(b) the moving and fixed dimensions as laid down by

the Central Government have not been infringed;

(c) the track structure, strength of bridges, standards of

signalling system, traction system, general structural

character of civil works and the size of, and maximum

gross load upon, the axles of any rolling stock, comply

with the requirements laid down by the Central

Government; and

(d) in his opinion, metro railway can be opened for the

public carriage of passengers without any danger to

the public using it.

31 Cure Notice paras 18,21,26, and 27. 

[2024] 4 S.C.R. 501

Delhi Metro Rail Corporation Ltd. v.

Delhi Airport Metro Express Pvt. Ltd.

(2) If the Commissioner is of the opinion that the metro

railway cannot be opened without any danger to the

public using it, he shall, in his report, state the grounds

therefor, as also the requirements which, in his opinion,

are to be complied with before sanction is given by the

Central Government.

(3) The Central Government, after considering the report

of the Commissioner, may sanction the opening of the

metro railway under Section 14 as such or subject to such

conditions as may be considered necessary by it for the

safety of the public.

18. Power to close metro railway opened for public

carriage of passengers.—Where, after the inspection

of the metro railway opened and used for the public

carriage of passengers or any rolling stock used thereon,

the Commissioner is of the opinion that the use of the

metro railway or of any rolling stock will be attended with

danger to the public using it, the Commissioner shall send

a report to the Central Government who may thereupon

direct that—

(i) the metro railway be closed for the public carriage

of passengers; or

(ii) the use of the rolling stock be discontinued; or

(iii) the metro railway or the rolling stock may be used

for the public carriage of passengers subject to such

conditions as it may consider necessary for the safety

of the public.

21. Delegation of powers.—The Central Government

may, by notification, direct that any of its powers or

functions under this chapter, except power to make rule

under Section 22, shall, in relation to such matters and

subject to such conditions, if any, as may be specified in

the notification, be exercised or discharged also by the

Commissioner.”

62. In essence, the scheme of the 2002 Act, provides that no metro

line will operate except with the previous sanction of the Central 

502 [2024] 4 S.C.R.

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Government.32 Before granting the sanction, the Central Government

has to obtain a report from the Commissioner that (inter alia) the

latter has carefully inspected the metro railway, the general structure

of civil works and that in their opinion, the metro railway can be

opened for passengers without any danger to the public.33 The

Central Government may sanction the opening of the line as such or

subject to conditions it considers necessary for public safety.34 If the

Commissioner is of the opinion that the use of the metro will “attend

danger to the public using it”, they may send a report to the Central

Government, which may in turn direct that the metro be closed or

may be open for public carriage only subject to certain conditions.35

The powers of the Central Government may be delegated to the

Commissioner.36

63. The structure and safety of the project, as certified by the CMRS,

were thus relevant before the Tribunal, making the CMRS certificate

a vital piece of evidence in deciding the issue. The CMRS certificate

was relevant evidence about the safety of the structure. Considering

the statutory scheme of the 2002 Act, especially Section 15, the

Tribunal erred in deeming the sanction irrelevant to its central issue

– which was the validity of the termination, which, according to the

cure notice, was premised on safety.

64. Overall, the cure notice places great emphasis on the safety of the

passengers, which, they claimed stood compromised by defects,

justifying discontinuation of operations. This issue falls directly within

the domain of the Commissioner under the scheme of the 2002 Act.

65. Rather than considering the vital evidence of the CMRS certificate

towards safety and effective steps, the arbitral tribunal focussed on

the conditions imposed by the Commissioner on speed and regarding

inspections. While the Division Bench correctly noted that the

certificate was relevant for the issue of the validity of termination, this

Court held that safety was not in issue, even though DAMEPL insisted

on discontinuing operations citing safety concerns. We respectfully

32 Section 14, Metro Railways (Operations and Maintenance) Act 2002.

33 Section 15, ibid.

34 Section 15(3), ibid.

35 Section 18, ibid.

36 Section 21, ibid. 

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disagree with this Court’s re-assessment of the Division Bench’s

interpretation. The cure notice was relevant for the reasons stated

above. Moreover, the fact that DAMEPL premised it on safety could

not have been overlooked by the Tribunal. In doing so, it overlooked

vital evidence pertaining to an issue that goes to the root of the

matter. The cure notice was obviously on the record and merited

consideration for its contents bearing on vital elements of safety.

66. The cure notice, which contains statements bearing on the safety

of the line and other material indicating that the line was running

uninterrupted are matters of record. While the cure notice contains

allegations about the line not being operational, there is evidence

on the record indicating that the line was in fact running. Even if we

were to accept that the finding of the arbitral tribunal that the defects

were not completely cured during the cure period is a factual finding

incapable of interference, it is clear from the record that DMRC took

steps towards curing defects which led to the eventual resumption

of operations. The award contains no explanation as to why the

steps which were taken by DMRC were not ‘effective steps’ within

the meaning of the termination clause.

67. In essence, therefore the award is unreasoned on the above important

aspects. It overlooks vital evidence in the form of the joint application

of the contesting parties to CMRS and the CMRS certificate. The

arbitral tribunal ignored the specific terms of the termination clause. It

reached a conclusion which is not possible for any reasonable body

of persons to arrive at. The arbitral tribunal erroneously rejected the

CMRS sanction as irrelevant. The award bypassed the material on

record and failed to reconcile inconsistencies between the factual

averments made in the cure notice, which formed the basis of

termination on the one hand and the evidence of the successful

running of the line on the other. The Division Bench correctly held

that the arbitral tribunal ignored vital evidence on the record, resulting

in perversity and patent illegality, warranting interference. The

conclusions of the Division Bench are, thus, in line with the settled

precedent including the decisions in Associate Builders (supra)

and Ssangyong (supra).

H. Conclusion

68. The judgment of the two-judge Bench of this Court, which interfered

with the judgment of the Division Bench of the High Court, has resulted 

504 [2024] 4 S.C.R.

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in a miscarriage of justice. The Division Bench applied the correct test

in holding that the arbitral award suffered from the vice of perversity

and patent illegality. The findings of the Division Bench were borne

out from the record and were not based on a misappreciation of law

or fact. This Court failed, while entertaining the Special Leave Petition

under Article 136, to justify its interference with the well-considered

decision of the Division Bench of the High Court. The decision of

this Court fails to adduce any justification bearing on any flaws in

the manner of exercise of jurisdiction by the Division Bench under

Section 37 of the Arbitration Act. By setting aside the judgement of

the Division Bench, this Court restored a patently illegal award which

saddled a public utility with an exorbitant liability. This has caused

a grave miscarriage of justice, which warrants the exercise of the

power under Article 142 in a Curative petition, in terms of Rupa

Hurra (supra).

69. The Curative petitions must be and are accordingly allowed. The

parties are restored to the position in which they were on the

pronouncement of the judgement of the Division Bench. The execution

proceedings before the High Court for enforcing the arbitral award

must be discontinued and the amounts deposited by the petitioner

pursuant to the judgment of this Court shall be refunded. The part

of the awarded amount, if any, paid by the petitioner as a result of

coercive action is liable to be restored in favour of the petitioner.

The orders passed by the High Court in the course of the execution

proceedings for enforcing the arbitral award are set aside.

70. Before concluding, we clarify that the exercise of the curative

jurisdiction of this Court should not be adopted as a matter of ordinary

course. The curative jurisdiction should not be used to open the

floodgates and create a fourth or fifth stage of court intervention in

an arbitral award, under this Court’s review jurisdiction or curative

jurisdiction, respectively.

71. In the specific facts and circumstances of this case to which we

have adverted in the course of the discussion, we have come to the

conclusion that this Court erred in interfering with the decision of the

Division Bench of the High Court. The judgment of the Division Bench

in the appeal under Section 37 of the Arbitration and Conciliation Act

1996 was based on a correct application of the test under Section 34

of the Act. The judgment of the Division Bench provided more than 

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adequate reasons to come to the conclusion that the arbitral award

suffered from perversity and patent illegality. There was no valid

basis for this Court to interfere under Article 136 of the Constitution.

The interference by this Court has resulted in restoring a patently

illegal award. This has caused a grave miscarriage of justice. We

have applied the standard of a ‘grave miscarriage of justice’ in

the exceptional circumstances of this case where the process of

arbitration has been perverted by the arbitral tribunal to provide an

undeserved windfall to DAMEPL.

72. The curative petitions are allowed in the above terms.

73. Pending applications, if any, stand disposed of.

Headnotes prepared by: Ankit Gyan Result of the case:

Curative petitions allowed.