Ssangyong Engineering & Construction Co. Ltd. v. National Highways Authority of India

The Legal Question Before the Court

The case required the court to determine the scope of the "patent illegality" ground for setting aside a domestic arbitral award under Section 34(2A) of the Arbitration Act, introduced by the 2015 Amendment. The question was: what level of legal error in an arbitral award constitutes "patent illegality" sufficient to justify court interference?

The Court's Decision

The court held that Section 34(2A) — which permits setting aside domestic awards on the ground of "patent illegality appearing on the face of the award" — must be read narrowly. An award does not suffer from patent illegality merely because the arbitrator applied the law incorrectly or reached a conclusion that a court would not have reached. The illegality must be apparent on the face of the award, without requiring any elaborate examination of the record.

Moreover, the error must be so fundamental — so contrary to the basic rules of evidence, procedure, or substantive law — that no reasonable person could have arrived at the same conclusion. The court explicitly used the language that the decision must "shock the conscience of the court." A mere erroneous application of the law, or an interpretation of a contractual clause that the court disagrees with, is not patent illegality.

The Court's Reasoning

The bench examined the legislative history of the 2015 amendment carefully. Parliament introduced Section 34(2A) specifically to address domestic awards — unlike the public policy and international commercial arbitration grounds in Section 34(2)(b). However, Parliament also intended, through the 2015 amendments, to significantly reduce judicial interference in arbitration by narrowing the grounds of challenge.

The court traced the expansion of "patent illegality" in the pre-amendment era through ONGC v. Saw Pipes (2003) and noted that the broad test articulated there was inconsistent with the legislative intent of minimal intervention. Post-2015, the "patent illegality" test is significantly stricter. An award that applies a wrong interpretation of a contractual term, or makes a wrong assessment of damages, does not cross the threshold — unless the conclusion is one no reasonable arbitrator could reach.

Practical Implications — What This Means Today

Ssangyong is the governing authority on Section 34 challenges to domestic arbitral awards post-2015. Practitioners challenging awards must demonstrate not merely that the arbitrator erred in law, but that the error is glaring, fundamental, and apparent on the face of the award without reference to extrinsic material.

For businesses receiving adverse awards, this ruling raises the bar significantly. The instinctive response to an adverse award — filing a Section 34 petition — is likely to fail unless there is a genuine case of fundamental illegality. Courts will not act as appellate bodies reviewing the merits of arbitral decisions. The better pre-arbitration strategy is to ensure the arbitration clause is carefully drafted and that the right arbitrator is appointed — rather than expecting post-award relief through Section 34.

Relevant Statutory Provisions

• Section 34(2A), Arbitration and Conciliation Act, 1996 — Setting aside domestic award for patent illegality
• Section 34(2)(b), Arbitration and Conciliation Act, 1996 — Setting aside award on public policy grounds
• Arbitration and Conciliation (Amendment) Act, 2015 — Amendment narrowing judicial review of arbitral awards

Analysis by Vinode V. Luka, Advocate | Published: May 2026 | Last reviewed: May 2026