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ASF Build Tech Private Limited v. Shapoorji Pallonji and Company Private Limited

I. Introduction:

In this case, the Hon’ble Supreme Court reaffirmed the autonomy of arbitral tribunals to summon non- signatories into arbitral proceedings by applying doctrines such as the “Group of Companies”, “alter ego”, and “composite transactions”. The Hon’ble Court held that, under appropriate circumstances, the arbitral tribunal could exercise such power without a prior referral or court directive, even in the absence of a separate notice under Section 21 of the Arbitration and Conciliation Act, 1996 (“Arbitration Act”).

The dispute arose from arbitral proceedings between Shapoorji Pallonji & Co. Pvt. Ltd. (“SPCPL”) and Black Canyon SEZ Pvt. Ltd. (“BCSPL”) concerning a Works Contract dated 21 November 2016 and related agreements. SPCPL, as counter-claimant, sought to implead ASF Buildtech Pvt. Ltd. (“ABPL”) and ASF Insignia SEZ Pvt. Ltd. (“AISPL”) in the arbitral proceedings, alleging that BCSPL, AISPL, and ABPL comprising the ASF Group operated as a single economic unit throughout the negotiation, performance, and termination of the contracts.

ABPL, a non-signatory, opposed to the impleadment contending that its sole role was as a holding company and that it had no direct contractual involvement. The case therefore brought into sharp focus three key principles:

1. Group of Companies doctrine: permitting joinder of non-signatories within a corporate group in certain circumstances;
2. Kompetenz-Kompetenz: recognising a tribunal’s authority to determine its own jurisdiction, including the question of joinder; and
3. Separate Corporate Personality: maintaining the legal distinctness of corporate entities except in specific limited exceptions.

II. Factual Matrix:

BCSPL initiated arbitration against SPCPL under a Settlement Agreement dated 24 July, 2020. SPCPL filed a counterclaim against BCSPL, ABPL, and AISPL, asserting that they were bound by the arbitration clause in the Works Contract under the Group of Companies doctrine.

AISPL, ABPL, and BCSPL each filed applications under Section 16 of the Arbitration Act seeking dismissal of the counterclaim against AISPL and ABPL. By two separate orders dated 23 May, 2023 and 17 October, 2023, the sole arbitrator dismissed these applications, holding that impleadment required adjudication of mixed questions of fact and law, which could not be resolved without first arraying AISPL and ABPL as parties.

The Hon’ble Delhi High Court upheld the impleadment finding that AISPL, ABPL, and BCSPL functioned as a cohesive ASF Group with overlapping management and operational integration. The Court also noted AISPL’s role as the original contracting party, its performance backing BCSPL’s obligations, and ABPL’s role as holding company. Applying the principle laid down in Cox & Kings Ltd. v. SAP India Pvt. Ltd.¹Cox and Kings Ltd v. SAP India Pvt Ltd, (2024 SCC Online SC 1634) and related precedents, it upheld impleadment under the Group of Companies doctrine while setting aside the bifurcation of proceedings and directing unified reference to the sole arbitrator. In view of the order of the High Court, the Appellant approached the Apex Court by way of an appeal.

III. Issues for Determination:

The Hon’ble Supreme Court had the following issues under consideration:

1. Power of the arbitral tribunal to implead non-signatories – Whether a tribunal, post-constitution, can join a non-signatory by applying Group of Companies or alter ego principles without a prior court order?
2. Section 21 notice requirement – Whether failure to issue a separate notice of invocation to a non-signatory vitiates such joinder?
3. Division of decision-making authority – Whether the determination of non-signatory joinder lies with referral courts under Sections 8 and 11 or arbitral tribunals under Section 16 of the Arbitration Act?

IV. Submissions of the Parties:

1. The Appellant/ ABPL made the following submissions asserting that it could not be made a party to the arbitration:
   • No material evidence suggested ABPL’s involvement in negotiation, performance, or termination of the relevant contracts;
   • ABPL was not made a party in the Section 11 proceedings and was first impleaded in SPCPL’s counterclaim without prior leave;
   • No notice under Section 21 of the Arbitration Act was served upon ABPL, contravening statutory requirements.; and
   • The factual prerequisites from ONGC v. Discovery Enterprises (2022) 8 SCC 42;, Cox and Kings Ltd. v. SAP India Pvt. Ltd. (2024 SCC Online SC 1634) , and Ajay Madhusudan Patel v. Jyotrindra S. Patel (2024 SCC Online SC 2597, were not met and the High Court conflated Group of Companies, alter ego, and veil-piercing doctrines.
2. In response, SPCPL made the following submissions for joinder of the Appellant in the arbitration proceedings:
   • ABPL, AISPL, and BCSPL functioned as one economic entity, sharing directors, addresses, email domains, and cross-guarantees;
   • Non-signatories were directly involved in negotiation and performance (e.g., Novation Agreement, Comfort Letter, project correspondence) satisfying the factors set out in Cox & Kings, Discovery Enterprises and Ajay Madhusudan (supra);
   • Section 21 notice is not jurisdictionally mandatory for impleadment and objections can be raised before the arbitral tribunal; and
   • This was ABPL’s fourth challenge to impleadment, previous three having failed.

V. Findings and Observations of the Supreme Court:

The Hon’ble Supreme Court undertook a meticulous examination of the doctrinal, procedural, and jurisdictional aspects of the dispute before arriving at its conclusions. The reasoning can be unfolded under the following heads:

1. Scope of the Arbitral Tribunal’s Power to Implead Non-Signatories:

The Hon’ble Court began by noting that the question of whether a non-signatory can be impleaded in ongoing arbitral proceedings has been a recurring issue in Indian arbitration jurisprudence. It traced the development of the “group of companies” doctrine from the decisions in Chloro Controls²Chloro Controls India (P) Ltd v. Severn Trent Water Purification Inc, (2013) 1 SCC 641 to Cox & Kings³Cox and Kings Ltd. v. SAP India Pvt. Ltd. (2024 SCC Online SC 1634), observing that this line of authority recognises commercial reality over formal corporate separateness in certain circumstances.

Relying on the principles laid down in Cox & Kings (supra), the Hon’ble Court reiterated that:

• The definition of ‘party’ in Section 2(1)(h) of the Arbitration Act is not confined to signatories, and it extends to non-signatories whose conduct shows active participation in the negotiation, performance, or termination of the underlying contract;
• The ‘group of companies’ doctrine can be applied where there is an intention either express or implied to bind both signatory and non-signatory entities, evidenced through participation, correspondence, or integrated contractual performance; and
• Other principles such as ‘alter ego ‘and ‘piercing the corporate veil’ may supplement this inquiry, but they do not displace the requirement of a demonstrable link between the non-signatory and the contractual obligations of the signatory.

Applying these principles, the Apex Court held that the arbitral tribunal does indeed have jurisdiction to implead non-signatories, provided the test laid down in in Cox & Kings (supra) is satisfied. This jurisdiction arises from Section 16 (Kompetenz-Kompetenz) of the Arbitration Act and is not contingent upon prior court direction.

The Court emphasised that once the tribunal is constituted, its jurisdiction to decide whether additional parties including non-signatories should be joined is coextensive with its jurisdiction to decide on the validity and scope of the arbitration agreement itself. Such joinder is permissible where the subject matter of the dispute and the involvement of the non-signatory form part of the same composite transaction.

The Court then analysed the factual record and noted several indicia of unified functioning within the ASF Group:

• Common Management and Control: Overlapping directors, identical email domains, and shared addresses.
• Operational Integration: AISPL’s participation in contractual performance even after novation, and the issuance of a Comfort Letter on ASF Group letterhead guaranteeing BCSPL’s obligations.
• Interchangeable Corporate References: Prior proceedings and correspondence referred to “ASF” in a manner encompassing BCSPL, AISPL, and ABPL without distinction.
• Project-Specific Conduct: Evidence from meetings, emails, and documents indicating coordinated conduct in relation to the Black Canyon project, which was the subject matter of the arbitration.

These facts, in the Court’s view, warranted the tribunal’s decision to implead ABPL and AISPL so that questions of liability and participation could be determined on a complete evidentiary record, rather than in fragmented proceedings.

2. Absence of a Section 21 Notice:

On the argument that no Section 21 notice was served on ABPL, the Court drew a clear distinction between the commencement of arbitration and the joinder of a party in existing proceedings. The purpose of Section 21 of the Arbitration Act is to mark the commencement date of arbitration for limitation and procedural purposes, not to create a jurisdictional precondition to participation.

The Court relied on Alupro Building Systems Pvt Ltd. v. Ozone Overseas Pvt Ltd (2017 SCC OnLine Del 7228) and Adavya Projects Pvt. Ltd. v. Vishal Structurals Pvt. Ltd. (2025 INSC 507) , which clarify that non-service of a Section 21 notice does not nullify tribunal jurisdiction especially where the party is impleaded through a counterclaim or amendment of pleadings. The Court also relied upon State of Goa v. Praveen Enterprises, (2012) 12 SCC 581 and noted that counterclaims do not require a fresh Section 21 notice.

The Court further observed that rigidly applying Section 21 to bar joinder would undermine the efficiency of arbitration, particularly in complex multi-party disputes. Instead, procedural fairness is ensured if the impleaded party is given an opportunity to raise objections, file pleadings, and present evidence before any award is rendered.

3. Allocation of Jurisdiction Between Referral Courts and Tribunals:

The Court then delved upon the division of decision-making authority between courts at the referral stage (Sections 8 and 11 of the Arbitration Act) and arbitral tribunals (Section 16 of the Arbitration Act). The Court reaffirmed the principles from Shin-Etsu Chemical Co Ltd v. Aksh Optifibre Ltd. (2005) 7 SCC 234 and Cox & Kings (supra) that:

• Under Section 11(6A) of the Arbitration Act, referral courts are restricted to a prima facie assessment of the existence of an arbitration agreement as they are not to engage in a detailed factual analysis of whether a non-signatory is bound by an arbitration agreement or not;
• Complex jurisdictional questions involving non-signatories are best left to the arbitral tribunal under Section 16 of the Arbitration Act, consistent with the Kompetenz-Kompetenz principle; and
• Premature judicial determination of joinder issues could usurp the tribunal’s role and cause irreparable prejudice as there is no statutory appeal from a Section 11 of the Arbitration Act decision refusing impleadment, whereas tribunal decisions under Sections 16 and 37 of the Arbitration Act are appealable.

The Apex Court underscored that this allocation preserves party autonomy, promotes minimal judicial interference, and avoids duplication of proceedings.

4. Balancing Efficiency and Consent:

While endorsing a tribunal’s broad power to implead non-signatories, the Court cautioned that such power must be exercised judiciously. There must be a demonstrable factual nexus between the non-signatory and the dispute. Procedural safeguards must be maintained to prevent prejudice, including allowing adequate time for pleadings and evidence. It is for the arbitral tribunal to guard against the misuse of impleadment to circumvent the requirement of party consent to arbitration.

5. Legislative Gap and Need for Reform:

The Court noted with concern that neither the existing Arbitration Act nor the proposed Arbitration and Conciliation Bill, 2024, expressly addresses the power or procedure for impleading non-signatories. Given the increasing complexity of multi-party transactions, the Court urged the Ministry of Law and Justice to consider statutory guidance on the criteria and process for such impleadment.

The Hon’ble Supreme Court, thus, dismissed the appeal affirming the Hob’ble High Court’s reasoning that arbitral tribunals can implead non-signatories under the ‘group of companies’ doctrine based on active involvement or integrated operations. Further, Section 21 notice is not a jurisdictional bar to impleadment and referral courts must defer to tribunals on complex jurisdictional issues, minimising judicial interference.

VI. Conclusion:

In summation, the decision marks a significant reaffirmation of arbitral tribunal’s autonomy in determining their own jurisdiction, including the joinder of non-signatories. By aligning with the principles in Cox & Kings (supra) and related judgments, the Hon’ble Supreme Court has entrenched the Group of Companies doctrine within Indian arbitration jurisprudence, recognising the commercial reality of integrated corporate structures.

While this expansion of tribunal powers promotes efficiency and avoids the multiplicity of proceedings, it also calls for a careful balancing of party autonomy and procedural fairness. The Court’s pragmatic stance on Section 21 of the Arbitration Act treating it as a procedural rather than jurisdictional requirement prevents technicalities from frustrating substantive justice. However, the absence of a detailed statutory framework on impleadment leaves scope for uncertainty, particularly regarding the evidentiary threshold and safeguards against misuse.

Further, legislative intervention as hinted is essential to codify the limits and processes for binding non- signatories. Until then, the principles laid down in this decision will serve as a critical guidepost for arbitral practice in India, reinforcing a pro-arbitration approach while underscoring the need for consistency, fairness, and transparency in the exercise of tribunal discretion.

This case brief is authored by Anu Sura, Associate Partner and Vidushi Keshan, Associate

• 1
  Cox and Kings Ltd v. SAP India Pvt Ltd, (2024 SCC Online SC 1634)
• 2
  Chloro Controls India (P) Ltd v. Severn Trent Water Purification Inc, (2013) 1 SCC 641
• 3
  Cox and Kings Ltd. v. SAP India Pvt. Ltd. (2024 SCC Online SC 1634)