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Ssangyong v. NHAI

03 November, 2025
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Ssangyong v. NHAI — Section 34 ‘Public Policy’ & 2015 Act Prospective | The Law Easy

Ssangyong v. NHAI

Section 34 “public policy” narrowed; 2015 Amendment applies prospectively. Supreme Court of India — decided 8 May 2019.

Supreme Court of India Decided: 08 May 2019 Section 34 | Public Policy Patent Illegality ~7 min read
  • Author: Gulzar Hashmi
  • Location: India
  • Publish Date: 02 Nov 2025
  • Slug: ssangyong-v-nhai
Hero image for Ssangyong v. NHAI arbitration case explainer

Quick Summary

The case tightens how courts can set aside arbitral awards under Section 34. The Supreme Court trimmed the wide meaning of “public policy”, clarified “patent illegality”, and held that the 2015 Amendment to Section 34 works prospectively—it applies to setting-aside applications filed on or after 23 Oct 2015. In a rare move, the Court used Article 142 to treat the minority award as the final award.

  • Predictable and narrower Section 34 review.
  • Prospective reach of the 2015 changes confirmed.

Issues

  1. Did the Court’s reading of “public policy” under Section 34 (post-2015) make challenges more predictable and limited?
  2. Does the 2015 Amendment apply prospectively to Section 34 applications, blocking use of old, broad grounds for pre-2015 arbitrations?

Rules

  • Public Policy (Section 34, post-2015): Limited to (i) fundamental policy of Indian law (e.g., national interest statutes, obedience to higher-court orders, natural justice), (ii) most basic notions of morality or justice.
  • Patent Illegality (domestic awards): Only illegality that goes to the root; no re-appreciation of evidence; no setting aside for mere wrong application of law.
  • Prospective Application: 2015 changes apply to all Section 34 applications filed on/after 23 Oct 2015, whatever the arbitration start date.

Facts — Timeline

Timeline of key facts in Ssangyong v. NHAI
Project: Contract to build a four-lane bypass (Ssangyong & NHAI).
Price Adjustment: Parties used WPI (1993–94 base) to adjust for inflation.
Change Dispute: NHAI circular shifted base to 2004–05. Ssangyong objected.
Award: Majority of tribunal upheld NHAI’s change; minority dissented.
Challenge: Ssangyong attacked the majority award under Section 34 as against public policy.

Arguments

Appellant: Ssangyong

  • Tribunal rewrote the bargain by accepting a new WPI base.
  • Award offends fundamental policy and natural justice.
  • Illegality is patent; award must be set aside.

Respondent: NHAI

  • Change aligns with government indices; no violation.
  • Section 34 review is limited; no merits re-hearing.
  • No ground fits the narrowed public-policy test.

Judgment

Gavel representing the Supreme Court judgment in Ssangyong v. NHAI
  • Narrower Public Policy: Broad readings rejected; focus on fundamental policy, superior-court orders, and natural justice.
  • Patent Illegality (domestic): Must strike at the root; mere legal error or re-appreciation is out.
  • 2015 Act Prospective: Applies to Section 34 applications filed on/after 23 Oct 2015.
  • Article 142: Minority view treated as the award to do complete justice.

Ratio Decidendi

Section 34 post-2015 allows setting aside only for precise public-policy breaches and root-level patent illegalities. The amendments are fully prospective. Exceptional facts may justify corrective relief under Article 142.

Why It Matters

  • Brings predictability to award-challenge law.
  • Discourages overbroad public-policy attacks.
  • Explains when Article 142 can fix unfair outcomes.

Key Takeaways

  • “Public policy” is narrow and specific.
  • “Patent illegality” = goes to the heart, not minor errors.
  • 2015 changes apply to Section 34 filings from 23 Oct 2015.
  • Minority award may stand via Article 142 in rare cases.

Mnemonic + 3-Step Hook

Mnemonic: “NIP-PAP”Narrow Interpretation of Public policy • Patent illegality at root • Amendment is Prospective.

  1. Spot: Is the challenge broad/vague? Likely fails after Ssangyong.
  2. Check: Does illegality hit the core of the award?
  3. Apply: Use 2015 Act prospectively for Section 34 filings.

IRAC Outline

Issue Meaning of “public policy” and scope of “patent illegality” under Section 34; reach of 2015 Amendment.
Rule Narrow tests for public policy; patent illegality must be fundamental; 2015 Act applies prospectively to Section 34 filings.
Application The majority award failed the refined standards; the Court used Article 142 to avoid injustice by adopting the minority view.
Conclusion Section 34 review is tighter; amendments are prospective; minority award enforced in this unique scenario.

Glossary

Public Policy
Tight, specific grounds to protect core legal values; not a catch-all.
Patent Illegality
An error that strikes at the foundation of the award (domestic awards).
Article 142
Power of Supreme Court to do complete justice between parties.

FAQs

No. Section 34 is not an appeal. Re-appreciation of evidence is outside its scope.

It influences how “public policy” is read generally, but foreign awards are reviewed under even narrower grounds.

To do complete justice and avoid starting arbitration afresh, the Court used Article 142 in the case’s special facts.

The date of filing the Section 34 application. If filed on/after 23 Oct 2015, the amended standard applies.

Reviewed by The Law Easy

Arbitration Civil Procedure Judicial Review

Meta

CASE_TITLESsangyong v. NHAI — Supreme Court of India (8 May 2019)
PRIMARY_KEYWORDSSsangyong v NHAI, Section 34, public policy, patent illegality
SECONDARY_KEYWORDS2015 Arbitration Amendment, prospective application, Article 142
PUBLISH_DATE02 Nov 2025
AUTHOR_NAMEGulzar Hashmi
LOCATIONIndia
SLUGssangyong-v-nhai
Images hero.jpg · timeline.jpg · judgment.jpg

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