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Arbitration
Supreme Court of India

Is arbitration under a second agreement between the same parties carried on by the same Arbitrator already appointed under the first agreement?

M/s STL Networks Limited v. Caspian India Engicon Pvt. Ltd
2026 INSC 969 · Civil Appeal No. 12517 of 2026 · 07 September 2026
Coram: Justice J. B. Pardiwala · Justice K. Vinod Chandran
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Headnotes

Arbitration and Conciliation Act, 1996 — s.11 — Appointment of arbitrator — Connected disputes — Same arbitrator —

Arbitration and Conciliation Act, 1996 — s.11 — Appointment of arbitrator for connected disputes —

Held: Where two agreements between the same parties give rise to related arbitration proceedings, the same, first-appointed Arbitrator continues to arbitrate both disputes; the Court expresses no opinion on the merits of the underlying cross-project set-off claim. Appeal allowed. (¶4, 5)

Points of Law
Ratio

Is arbitration under a second agreement between the same parties carried on by the same Arbitrator already appointed under the first agreement?

Yes. Where a second agreement between the same parties gives rise to a connected arbitration, the same Arbitrator first appointed to hear the earlier dispute continues to hear the later one; the Court expressed no view on the merits of the underlying cross-project set-off, leaving all contentions open before the Arbitrator. (¶4, 5) [4, 5]

Result of the Judgment

What did the Supreme Court finally decide on the appointment of the arbitrator for the connected disputes?

The appeal was allowed. The impugned order appointing a separate arbitrator for the T-Fiber Agreement dispute was modified, and Ms. Saumya Tandon — already appointed as Sole Arbitrator under the Mahanet Agreement — was directed to arbitrate this dispute as well, without prejudice to the parties' contentions on the cross-project set-off. (¶4, 5, 6) [4, 5, 6]

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Key passages from the judgment
Paragraph 3Jump →

3. The appellant’s contention is that there is a material recovery claim under the T-Fiber Agreement which is entitled to be exercised as a cross project set-off against the amounts payable under the Mahanet Agreement; the former being more than double the claim in the latter.

Paragraph 4Jump →

4. We will not go into the merits of the matter, but in the fitness of things, we are of the opinion that the arbitration should be carried on by the very same Arbitrator; according to us, the first appointed Arbitrator. Hence, Ms. Saumya Tandon, appointed as a Sole Arbitrator on 16.09.2025, shall be the Arbitrator in the present dispute also.

Paragraph 5Jump →

5. The impugned order is modified to the above extent. The parties shall be entitled to raise all contentions before the Arbitrator, and we may not be taken as having held on the merits of the cross project set-off or the quantum of the claims made under the two separate agreements. We have just recorded the argument raised by the appellant in the appeal.

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Acts & Sections
Section 11, Arbitration and Conciliation Act, 1996s.11 Arbitration and Conciliation Act, 1996
Full judgment
1.

Leave granted.

2.

Two contracts; for optical fiber cable services across two distinct projects, called respectively, the Mahanet Agreement and T-Fiber Agreement. The respondent initiated arbitration under the Mahanet Agreement before the High Court of Delhi, wherein one Ms. Saumya Tandon was appointed as a Sole Arbitrator on 16.09.2025. Disputes arose with respect to the T- Fiber Agreement also, resulting in an application under Section 11 of the Arbitration and Conciliation Act, 1996, before the High Court of Delhi, which is impugned herein. Therein yet another Arbitrator was appointed.

3.

The appellant’s contention is that there is a material recovery claim under the T-Fiber Agreement which is entitled to be exercised as a cross project set-off against the amounts payable under the Mahanet Agreement; the former being more than double the claim in the latter.

4.

We will not go into the merits of the matter, but in the fitness of things, we are of the opinion that the arbitration should be carried on by the very same Arbitrator; according to us, the first appointed Arbitrator. Hence, Ms. Saumya Tandon, appointed as a Sole Arbitrator on 16.09.2025, shall be the Arbitrator in the present dispute also.

5.

The impugned order is modified to the above extent. The parties shall be entitled to raise all contentions before the Arbitrator, and we may not be taken as having held on the merits of the cross project set-off or the quantum of the claims made under the two separate agreements. We have just recorded the argument raised by the appellant in the appeal.

6.

The appeal is allowed.

7.

Pending application(s), if any, shall stand rejected. .......…….……………………. J. (J. B. PARDIWALA) ....……….……………………. J. (K. VINOD CHANDRAN) NEW DELHI; SEPTEMBER 07, 2026.

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Source: Supreme Court of India. Reproduced for open access to public legal records, as issued — we add no masking of our own.
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