Anti-suit injunctions in foreign-seated arbitration need exceptional grounds and cannot defeat minority shareholders' derivative arbitration rights.

An anti-suit injunction against ICC arbitration in a contractually chosen foreign forum requires a clear showing of oppression, vexation, or other exceptional circumstances; otherwise, discretionary inherent powers should not be used to restrain the arbitration. Clause 14.3 of the shareholders' agreement did not bar minority shareholders from pursuing derivative arbitration under the separate power purchase agreement, and res judicata did not apply because the prior proceedings, parties, and capacity were materially different. The application for anti-suit relief was therefore unsustainable, and the refusal of injunction was treated as legally valid.

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Issues: (i) Whether the Company Law Board had inherent power to grant an anti-suit injunction restraining minority shareholders from proceeding with ICC arbitration and whether such power was properly refused on the facts. (ii) Whether clause 14.3 of the shareholders' agreement or the principle of res judicata barred the minority shareholders from invoking arbitration under clause 16.2 of the power purchase agreement. (iii) Whether the application seeking anti-suit injunction was sustainable and whether the impugned order rejecting it was legally valid.

Issue (i): Whether the Company Law Board had inherent power to grant an anti-suit injunction restraining minority shareholders from proceeding with ICC arbitration and whether such power was properly refused on the facts.

Analysis: The inherent power under Regulation 44 of the Company Law Board Regulations, 1991 and section 402(g) of the Companies Act, 1956 exists to meet the ends of justice and prevent abuse of process, but it cannot be used contrary to the settled principles governing anti-suit injunctions. Such relief is discretionary and ordinarily requires a clear showing that the foreign or chosen forum is oppressive, vexatious, or non-conveniens, and that refusal would defeat justice and cause irreparable injury. The arbitration clause expressly selected ICC arbitration in London, excluded Indian arbitration law, and waived recourse to Indian courts to the extent permitted by law. The proceedings before the ICC tribunal were not shown to be vexatious or oppressive, there was no duplication of parties and issues in the same sense as required for restraint, and the Company Law Board had no natural or concurrent jurisdiction over the arbitral dispute.

Conclusion: The Company Law Board had inherent power in principle, but it was rightly held not to be available on the facts for restraining the ICC arbitration.

Issue (ii): Whether clause 14.3 of the shareholders' agreement or the principle of res judicata barred the minority shareholders from invoking arbitration under clause 16.2 of the power purchase agreement.

Analysis: Clause 14.3 regulated the parties' capacity as independent entities and prohibited them from acting as agent or legal representative of each other, but it did not override the separate common law right of minority shareholders to take derivative action where the majority refused to act. The earlier Company Law Board proceedings sought directions to the company or its administrators to invoke contractual remedies; they did not finally adjudicate or prohibit the minority shareholders' separate derivative invocation of arbitration. The conditions for res judicata were not satisfied because the issue before the ICC tribunal, the parties before the tribunal, and the capacity in which the minority shareholders acted were materially different from the proceedings before the Company Law Board.

Conclusion: Clause 14.3 and res judicata did not bar the minority shareholders from proceeding with derivative arbitration.

Issue (iii): Whether the application seeking anti-suit injunction was sustainable and whether the impugned order rejecting it was legally valid.

Analysis: The application sought effectively permanent restraint on the minority shareholders' derivative remedy, not merely interim protection. The pleadings did not establish the necessary foundation for anti-suit relief, and the dispute before the Company Law Board was distinct from the arbitral dispute against TNEB. The minority shareholders had first sought company action and then pursued derivative arbitration when the company declined to act. The impugned order applied the correct principles on discretion, forum of choice, comity, and absence of oppressive conduct, and the appellate court found no perversity or legal error warranting interference.

Conclusion: The application was not sustainable and the order rejecting anti-suit injunction was legally valid.

Final Conclusion: The appeal failed because the appellant did not establish any legal basis to restrain the ICC arbitration or to negate the minority shareholders' derivative remedy, and the refusal of injunction was upheld.

Ratio Decidendi: An anti-suit injunction will not be granted against proceedings in a contractually chosen exclusive foreign forum unless the applicant shows oppression, vexation, or other exceptional circumstances warranting interference, and such relief cannot be used to extinguish a lawful derivative remedy of minority shareholders.

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