Madras high court reaffirms limited judicial interference in arbitral awards: Chennai metropolitan water supply and sewerage board v. SPML infra limited
Citation: O.S.A. No. 135 of 2020
Court:Ā High Court of Judicature at Madras
Date of Judgment:Ā 9 June 2026
The Madras High Court, in Chennai Metropolitan Water Supply and Sewerage Board v. SPML Infra Limited, delivered an important judgment reiterating the narrow scope of judicial interference with arbitral awards under Sections 34 and 37 of the Arbitration and Conciliation Act, 1996. The Division Bench comprising Justice P. Velmurugan and Justice K. Govindarajan Thilakavadi dismissed the appeal filed by the Chennai Metropolitan Water Supply and Sewerage Board and upheld the findings of the Arbitral Tribunal and the Single Judge in respect of claims arising out of substantial post contractual changes in a major infrastructure project. The dispute originated from a contract awarded by the Chennai Metropolitan Water Supply and Sewerage Board for the construction of a Permeate Conveyance Pipeline under the Chennai Sewerage Renovation and Functional Improvement Project. The project was funded by the Overseas Economic Cooperation Fund of Japan and involved the supply and laying of pipelines of various diameters. SPML Infra Limited emerged as the successful bidder and entered into an agreement with the Board for execution of the work.
During the course of execution, disputes arose between the parties regarding significant modifications made to the project after the contract had been awarded. SPML contended that the Board substantially altered the alignment of the pipeline and reduced the original scope of work. According to the contractor, these changes were not minor contractual variations but fundamental modifications that drastically reduced the quantities originally contemplated under the agreement. The contractor further alleged that delays in handing over the site, issuance of revised drawings and approvals, and changes in alignment resulted in increased excavation depths and substantial additional expenditure.
The Board denied these allegations and relied heavily on the terms of the contract. It argued that the agreement was a lump sum contract under which the contractor was deemed to have fully inspected the site and satisfied itself regarding underground conditions, utilities and obstructions. The Board maintained that any difficulties encountered during excavation were risks already contemplated under the contract and therefore could not form the basis of additional monetary claims.
As the disputes could not be resolved amicably, the matter was referred to arbitration in accordance with the arbitration clause contained in the agreement. Before the Arbitral Tribunal, SPML raised several claims including compensation for reduction in the scope of work, prolongation costs, additional excavation costs, unpaid contractual amounts and interest. The Board contested these claims and also raised counterclaims.
After examining the pleadings, documentary records, oral evidence and technical materials, the three member Arbitral Tribunal delivered a majority award in favour of SPML on several claims. One arbitrator issued a separate minority award granting substantially lower amounts. The majority award granted compensation for various claims arising out of the altered scope of work and additional obligations imposed on the contractor during execution.
The Board challenged the award under Section 34 of the Arbitration and Conciliation Act before the Madras High Court. The Single Judge primarily examined Claim Nos. 5, 6 and 12, which formed the core of the dispute. Claim No. 5 related to compensation arising from the reduction in the scope of work. The Tribunal had found that the reduction was so extensive that it exceeded the permissible limits of variation contemplated under the contract. The evidence showed that the quantity of supply of pipes had been reduced by approximately sixty five percent while the pipeline laying work had been reduced by nearly eighty percent. The Tribunal therefore concluded that such drastic reductions amounted to an abnormal post contractual change entitling the contractor to compensation.
Claim No. 6 related to prolongation costs and loss of profit. On this issue, the Single Judge found that the contractor had failed to produce adequate evidence to establish the actual losses allegedly suffered. The Court also observed that the Tribunal had adopted the Hudson Formula without a sufficient evidentiary foundation. Consequently, the award under Claim No. 6 alone was set aside.
Claim No. 12 concerned additional excavation costs caused by changes in alignment. The Tribunal had examined pipe laying cards, job records and contemporaneous documents jointly signed by both parties and concluded that the revised alignment significantly increased excavation depth, manpower deployment and execution costs. The Single Judge held that these were factual findings based on evidence and therefore did not warrant interference under Section 34.
Dissatisfied with the limited relief granted by the Single Judge, the Board preferred an appeal under Section 37 of the Arbitration and Conciliation Act. It argued that the Tribunal lacked jurisdiction, had travelled beyond the terms of the contract and had awarded compensation contrary to the express contractual provisions. The Board further contended that the majority award was invalid because one arbitrator had issued a separate minority award. It also alleged that the Tribunal failed to properly consider its additional statement of defence and had mechanically allowed the contractor's claims without adequate reasoning.
SPML opposed the appeal and argued that both the Tribunal and the Single Judge had rendered concurrent findings of fact based on extensive documentary evidence and technical records. It was further submitted that the Tribunal consisted of technically qualified arbitrators who had carefully analysed the contractual provisions, engineering records and project documents before arriving at their conclusions.
The Division Bench carefully examined the record and found no merit in the appeal. The Court noted that the Tribunal had thoroughly considered technical records, pipe laying cards, job records and contemporaneous documents maintained during execution of the project. These records demonstrated that substantial post contractual changes had indeed been introduced and that such changes had materially affected the contractor's obligations and costs.
The Court accepted the Tribunal's conclusion that the reduction in the scope of work was far beyond what could ordinarily be treated as a contractual variation. It also agreed with the finding that the revised alignment resulted in increased excavation depth, additional manual excavation and greater deployment of resources. The Bench observed that the interpretation adopted by the Tribunal was a plausible view based on the evidence and contractual provisions and therefore could not be disturbed merely because another interpretation was possible.
Addressing the argument regarding the alleged lack of consensus among the arbitrators, the Court categorically rejected the contention. It held that Section 29 of the Arbitration and Conciliation Act expressly recognises decision making by majority. The existence of a minority opinion does not invalidate a majority award and cannot by itself constitute a ground for setting aside the award.
The Court further reiterated the settled principles governing judicial review of arbitral awards. It emphasised that courts exercising jurisdiction under Sections 34 and 37 do not function as appellate forums over arbitral tribunals. Re appreciation of evidence is impermissible and interference can be justified only where the award suffers from patent illegality, perversity or conflict with public policy. Since the findings of the Tribunal were based on evidence and represented a reasonable interpretation of the contract, no such ground existed in the present case.
Finding no patent illegality or perversity in the award, the Division Bench dismissed the appeal and confirmed the order of the Single Judge. As a result, the arbitral award remained intact except for Claim No. 6, which had already been set aside and was not challenged further by the contractor.
The judgment serves as a significant reaffirmation of the pro arbitration approach consistently adopted by Indian courts. It underscores that arbitral tribunals are the final arbiters of facts and contractual interpretation, particularly in technically complex infrastructure disputes. The decision also highlights that substantial post contractual changes affecting the scope and nature of work may entitle contractors to compensation despite clauses allocating ordinary site risks. Most importantly, the ruling reinforces the principle that courts must exercise restraint and avoid substituting their own views for those of an arbitral tribunal unless the award is fundamentally flawed under the limited grounds recognised by the Arbitration and Conciliation Act.
