Non-signatory arbitration in India raises an important question: can a person who never signed an arbitration agreement still be included in arbitration proceedings? In Hemant D. Shah HUF & Anr. v. Chittaranjan D. Shah HUF & Ors., 2026 INSC 1111, the Supreme Court examined this issue under Section 11 of the Arbitration and Conciliation Act, 1996.
This case offers a practical illustration of non-signatory arbitration in India, particularly the treatment of persons whose claimed rights may be substantially affected by the outcome of arbitral proceedings.
The judgment concerns the treatment of non-signatories as “veritable parties” under Section 11 of the Arbitration and Conciliation Act, 1996. The Court held, on a prima facie assessment of the facts, that respondents 3 and 4 were veritable parties because the outcome of a dispute concerning a commercial property could substantially affect their claimed rights. The Court nevertheless left the final determination of their status, together with questions of limitation and estoppel, open for consideration by the Arbitral Tribunal.
The decision offers a useful, fact-specific illustration of how courts may approach the inclusion of non-signatories at the referral stage of arbitration.
Case Snapshot
- Case Title: Hemant D. Shah HUF & Anr. v. Chittaranjan D. Shah HUF & Ors.
- Citation: 2026 INSC 1111 — Non-Reportable
- Court: Supreme Court of India
- Case Number: Civil Appeal arising out of SLP (C) No. 26474 of 2026
- Date of Judgment: 12 October 2026
- Bench: Justice J. B. Pardiwala and Justice K. Vinod Chandran
- Key Provision: Section 11, Arbitration and Conciliation Act, 1996
- Principal Legal Issue: Whether non-signatories whose claimed rights may be substantially affected by the outcome of a dispute can be treated as veritable parties to arbitration.
- Outcome: The appeal was disposed of after modification of the impugned order to the limited extent stated by the Court.
What Was the Dispute About?
The dispute concerned a commercial property measuring approximately 3,500 square feet on the ground floor of Manish Commercial Centre, Dr. Annie Besant Road, Worli, Mumbai. The property originally belonged to a partnership firm, M/s Prospective Traders.
The original partnership was constituted by a deed dated 2 April 1977 between three family trusts. The partnership acquired the property on 3 October 1977. A subsequent deed dated 9 December 1985 reconstituted the partnership and inducted Hemant D. Shah HUF and his wife, along with Chittaranjan D. Shah HUF and another family member, as partners. This partnership deed contained an arbitration clause.
Further changes took place over the following years. A deed dated 30 December 1987 recorded the retirement of the original partners, although that document was also disputed by the appellants. More importantly, a deed dated 3 July 1995 purported to record the appellants’ retirement from the partnership. The appellants alleged that this retirement deed was forged and maintained that they had never retired.
Subsequently, the second respondent retired from the partnership on 1 July 2005. The business continued as a proprietorship with its assets vested in the first respondent. Respondents 3 and 4 were later inducted as partners under arrangements made in 2009.
The parties’ competing positions depended substantially on the validity of the disputed 1995 retirement deed. The appellants maintained that the original partnership continued, while the opposing position relied on the subsequent retirement and partnership arrangements.
This disagreement created a dispute over the ownership of the property and the legal consequences of the successive partnership arrangements.
Why Did the Non-Signatories Want to Participate in Arbitration?
Respondents 3 and 4 were not signatories to the partnership deed dated 9 December 1985, which contained the arbitration clause. They were associated with later partnership arrangements and claimed rights connected with the disputed property.
Their position mattered because the legal consequences of the 1995 retirement deed could affect the validity of the subsequent arrangements under which they obtained their claimed interests.
If the retirement deed were found invalid, the parties’ legal position could revert to the 1985 partnership arrangement. That possibility could substantially affect the rights claimed by respondents 3 and 4.
The question was therefore not simply whether they had signed the original arbitration agreement. It was whether, in the circumstances of the dispute, they were genuine parties whose rights were sufficiently connected with its outcome to be treated as “veritable parties” at the referral stage.
What Did the High Court Decide?
The High Court considered the matter in proceedings under Section 11 of the Arbitration and Conciliation Act, 1996. It addressed the limitation issue and rejected the request to include respondents 3 and 4 in the arbitration.
The rejection was based on their status as non-signatories and the conclusion that they did not fall within the recognised exceptions concerning persons claiming through or under a signatory or the Group of Companies doctrine.
The appellants challenged the impugned order before the Supreme Court. The central question was whether respondents 3 and 4 could nevertheless be treated as veritable parties in light of the potential effect of the dispute on their claimed rights.
How Did the Supreme Court Approach the Issue?
1. Non-signatory status does not end the inquiry in every case
The Court examined the principles discussed in Cox & Kings Limited v. SAP India Private Limited, (2024) 4 SCC 1.
It explained that arbitration law concerns the jurisdiction of the Arbitral Tribunal over disputes between parties to an arbitration agreement. A rigid approach that excludes every person who has not signed the agreement may fail to account for the person’s relationship with the signatories, conduct and connection with the underlying dispute.
The Court considered that the Group of Companies doctrine and the principle of claiming through or under did not directly resolve the issue before it. Nevertheless, the principles in Cox & Kings assisted in examining whether the non-signatories were, in substance, genuine parties to the dispute.
This does not mean that every person with an interest in a commercial transaction can automatically be added to arbitration. The assessment remains dependent on the relevant facts and legal principles.
2. The referral court may conduct a prima facie assessment
The Court also relied on Hindustan Petroleum Corporation Limited v. BCL Secure Premises Private Limited, (2026) 3 SCC 711.
The judgment recognises that a court exercising jurisdiction under Section 11 may examine whether a non-signatory is, in the real sense, a party to the arbitration agreement. That examination is not necessarily barred merely because the person did not sign the agreement.
At the same time, the referral court’s prima facie assessment does not displace the Arbitral Tribunal’s authority to decide the issue conclusively on the evidence and applicable legal principles.
The distinction between preliminary scrutiny and final determination is central to understanding this decision.
3. The disputed retirement deed was decisive to the factual analysis
The Court focused on the relationship between the disputed retirement deed dated 3 July 1995 and the rights claimed by respondents 3 and 4.
If that deed were found invalid, the parties’ legal position could revert to the partnership arrangement recorded on 9 December 1985. That could substantially affect the rights claimed by respondents 3 and 4 under the later partnership arrangements.
The ownership dispute therefore had consequences extending beyond the original signatories. The validity of the later arrangements depended on the disputed retirement, and the outcome could affect the non-signatories’ claimed interests in the property.
On these facts, the Court considered respondents 3 and 4 to be veritable parties to the dispute.
What Did the Supreme Court Ultimately Hold?
The Supreme Court modified the impugned order to the limited extent of finding respondents 3 and 4 to be veritable parties to the arbitration despite their not being signatories to the partnership deed dated 9 December 1985.
The Court expressly clarified that this was only a prima facie finding. It did not finally determine whether the non-signatories were bound by the arbitration agreement.
The questions of limitation and estoppel also remained open. In particular, the Tribunal could consider the objection that respondents 3 and 4 had not been included in earlier arbitration proceedings despite the appellants’ knowledge of the disputed retirement deed.
The appeal was disposed of with these observations and the modification of the impugned order.
Why Is This Judgment Relevant to Arbitration Law?
The judgment provides a practical illustration of the relationship between the referral court’s role and the Arbitral Tribunal’s authority.
First, it shows why the absence of a signature may not always be the end of the inquiry. The relationship between the non-signatory, the signatories and the subject matter can be relevant when determining whether the person is genuinely connected with the dispute.
Second, it highlights the importance of the facts underlying the claim. In this case, the potential invalidity of the retirement deed could affect the legal basis on which the non-signatories claimed rights in the property.
Third, it illustrates the difference between a prima facie determination at the referral stage and a final decision by the Arbitral Tribunal. The preliminary conclusion that a person is a veritable party does not necessarily settle all questions concerning that person’s status.
Finally, the judgment demonstrates that questions of limitation and estoppel may survive even where the court considers non-signatories appropriate participants in arbitration at the preliminary stage.
The decision should be read narrowly. It does not establish that every third party whose commercial or property interests may be affected must automatically be joined to arbitration. Its significance lies in the Court’s application of established principles to the particular partnership and property dispute before it.
Key Takeaways for Lawyers and Law Students
- A missing signature may not be conclusive: The legal relationship between a non-signatory and the dispute may require further examination.
- Facts matter: The Court considered how the validity of a disputed retirement deed could affect the rights claimed by later partners.
- Section 11 scrutiny can be substantive: A referral court may undertake a prima facie assessment of whether a non-signatory is a veritable party.
- The Tribunal retains its role: The final determination of the non-signatory issue may remain open for consideration on evidence and applicable legal principles.
- Limitation and estoppel are separate issues: A preliminary finding about participation does not automatically resolve objections based on delay or earlier proceedings.
Conclusion
Hemant D. Shah HUF v. Chittaranjan D. Shah HUF, 2026 INSC 1111, is a useful case study on the treatment of non-signatories in arbitration proceedings. The Supreme Court considered the potential effect of a disputed partnership retirement deed on the rights claimed by respondents 3 and 4 and treated them as veritable parties on a prima facie basis.
For arbitration practitioners and law students, the decision illustrates why the question of a non-signatory’s participation must be assessed in context, while preserving the Arbitral Tribunal’s authority to determine the outstanding issues. Its value lies in the practical application of established principles, rather than in a universal rule that all affected non-signatories must be joined.
Related Legal Authorities
- Cox & Kings Limited v. SAP India Private Limited, (2024) 4 SCC 1.
- Hindustan Petroleum Corporation Limited v. BCL Secure Premises Private Limited, (2026) 3 SCC 711.
Download the Judgment
The judgment is identified as Hemant D. Shah HUF & Anr. v. Chittaranjan D. Shah HUF & Ors., 2026 INSC 1111, dated 12 October 2026.
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