Section 10 CPC stay applies where an earlier suit will substantially determine the same contractual controversy

An order refusing to restrain proceedings in an earlier suit was treated as a judgment affecting parties' rights, so an appeal lay under Clause 15 of the Letters Patent. On Section 10 CPC, the Court held that a stay does not require complete identity of all issues or reliefs; it is enough that the earlier suit substantially determines the central matter in controversy and would operate as res judicata in the later suit. As both suits turned on the true terms of the same contract, the Bombay suit was stayed in favour of the earlier Calcutta proceedings.

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Issues: (i) Whether an appeal lay against the order refusing to restrain proceedings in the earlier instituted suit. (ii) Whether the Bombay suit was liable to be stayed under Section 10 of the Code of Civil Procedure, 1908 because the matter in issue was directly and substantially in issue in the previously instituted Calcutta suit.

Issue (i): Whether an appeal lay against the order refusing to restrain proceedings in the earlier instituted suit.

Analysis: The order refusing an injunction to restrain a party from proceeding with an earlier suit was treated as an order made in the exercise of inherent powers and not as one under Section 10. The Court held that such an order affected the rights of parties and therefore constituted a judgment for the purpose of appeal under Clause 15 of the Letters Patent.

Conclusion: The appeal was maintainable and the objection to its maintainability failed.

Issue (ii): Whether the Bombay suit was liable to be stayed under Section 10 of the Code of Civil Procedure, 1908 because the matter in issue was directly and substantially in issue in the previously instituted Calcutta suit.

Analysis: Section 10 was held to require substantial identity of the matter in issue, not complete identity of every issue or relief. The controlling consideration was whether the earlier suit, if decided, would operate as res judicata in the later suit and thereby prevent conflicting decisions by two courts of parallel jurisdiction. On the pleadings, both suits turned on the true terms of the same contract, and the decision in the Calcutta suit would bind the parties on that central question.

Conclusion: The Bombay suit was liable to be stayed under Section 10.

Final Conclusion: The challenge to maintainability failed, but the Court granted stay of the Bombay suit, thereby giving effect to the earlier instituted Calcutta proceedings and preventing inconsistent adjudication on the same substantial .

Ratio Decidendi: Section 10 applies where the earlier suit will substantially determine the central matter in controversy in the later suit so that the earlier decision would operate as res judicata and avoid conflicting judgments between parallel courts.

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