ARBITRAL AUTONOMY AND WAIVER OF OBJECTIONS: SUPREME COURT UPHOLDS AWARD DESPITE CHALLENGE TO TRIBUNAL’S CONSTITUTION

INTRODUCTION
In Municipal Corporation of Greater Mumbai v. M/s R.V. Anderson Associates Ltd., 2026 INSC 228, decided on 11 March 2026, the Supreme Court of India, comprising Justice J.K. Maheshwari and Justice Atul S. Chandurkar, dismissed the Appeal filed by the Municipal Corporation of Greater Mumbai (MCGM) challenging an arbitral award on the ground of improper constitution of the arbitral tribunal.
The Court reaffirmed the limited scope of judicial interference under Sections 34 and 37 of the Arbitration and Conciliation Act, 1996, emphasizing that courts should not re-interpret contractual provisions when the arbitral tribunal’s interpretation is plausible and consistent with the parties’ agreement.

BRIEF FACTS
The dispute arose out of a contract dated 18 September 1995 between MCGM and M/s R.V. Anderson Associates Ltd., a Canadian engineering consultancy firm, for providing consultancy services relating to the upgradation of sewerage operations and maintenance systems in Mumbai. The Project, funded by the World Bank, was scheduled for completion within 72 months and was completed in June 2001.
After completion of the Project, disagreements emerged regarding payment of certain outstanding dues. The Respondent invoked the arbitration clause contained in the Agreement in August 2005. Each party appointed its nominee arbitrator and the two arbitrators subsequently attempted to appoint a presiding arbitrator.
However, disputes arose regarding the validity of the appointment of the presiding arbitrator. MCGM contended that under the arbitration clause, if the presiding arbitrator was not appointed within 30 days, the appointment could only be made by the Secretary General of the International Centre for Settlement of Investment Disputes (ICSID).
Despite these objections, the Arbitral Tribunal proceeded with the arbitration and ultimately passed an Award in June 2010, directing MCGM to pay substantial sums in both US dollars and Indian rupees, along with interest and arbitration costs.
MCGM challenged the Award under Section 34 of the Arbitration Act, which was dismissed by the Bombay High Court. The subsequent Appeal under Section 37 was also rejected, prompting MCGM to approach the Supreme Court.

ISSUES OF LAW
The principal issue before the Supreme Court was whether the arbitral award was liable to be set aside on the ground that the arbitral tribunal had been improperly constituted, thereby rendering the proceedings without jurisdiction.
The Court also considered whether the conduct of MCGM during the arbitration proceedings amounted to waiver or acquiescence to the procedure adopted for appointment of the presiding arbitrator.

ANALYSIS OF THE JUDGMENT
The Supreme Court first examined the arbitration clause governing the appointment of arbitrators. The Court observed that the clause required each party to appoint one arbitrator and the two arbitrators were then to appoint a presiding arbitrator within thirty days. If such appointment did not take place within the stipulated period, either party could request the Secretary General of ICSID to make the appointment.
The Court held that this provision was enabling in nature rather than mandatory. It merely allowed the parties to approach the ICSID if the co-arbitrators failed to appoint a presiding arbitrator within the prescribed period. It did not automatically extinguish the authority of the co-arbitrators to appoint the presiding arbitrator after the thirty-day period.
Adopting a restrictive interpretation, as suggested by MCGM, would lead to commercial absurdity, as the arbitral process would remain stalled indefinitely until the parties approached the ICSID. Such an interpretation, according to the Court, could not have been the intention of the contracting parties.
The Court also emphasized that arbitral tribunals are the primary interpreters of contractual terms and courts exercising jurisdiction under Section 34 cannot substitute their own interpretation merely because another view is possible.
Another important aspect of the Judgment concerns the conduct of the parties. The Court noted that MCGM had participated in the arbitration proceedings for a considerable period without raising any objection to the appointment of the presiding arbitrator. In fact, the corporation raised the jurisdictional objection only after several stages of the arbitral proceedings had already taken place.
Although the objection under Section 16 of the Arbitration Act was technically filed within the statutory timeline, the Court held that the conduct of MCGM demonstrated acquiescence to the appointment procedure. The Court observed that a party cannot remain silent during crucial stages of arbitration and later challenge the process after an adverse outcome.
The Judgment reiterated that arbitration law incorporates the principle that parties cannot keep jurisdictional objections in reserve as a tactical device, to be raised only when the proceedings take an unfavourable turn.

CONCLUSION
The Supreme Court ultimately held that the Arbitral Tribunal had been properly constituted and that the interpretation adopted by the Tribunal and the High Court was both reasonable and consistent with the contractual framework. Consequently, no ground existed for setting aside the Arbitral Award under Sections 34 or 37 of the Arbitration and Conciliation Act.
The Appeals were therefore dismissed and the Arbitral Award was upheld.
The decision reinforces several important principles of arbitration law: the limited scope of judicial review of arbitral awards, the centrality of party autonomy and the doctrine that parties cannot challenge arbitral procedures belatedly after participating in the proceedings without objection. It thus strengthens the jurisprudence favouring finality and efficiency in arbitral dispute resolution.

SUSHILA RAM VARMA
Advocate & Chief Legal Consultant
The Indian Lawyer & Allied Services

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