Speculative loss deduction failed after the supporting precedent was overruled, defeating the writ challenge to revision.

Speculative loss from dealings in gold, silver and similar commodities was not deductible against other business income under the then-applicable income-tax framework, and the writ challenge to the revisional order failed once the High Court's supporting precedent had been overruled by the Supreme Court. The earlier basis for allowing the assessee's claim no longer survived, so the claim for deduction was rejected and the writ petition was liable to be dismissed.

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Issues: Whether the assessee was entitled to deduct speculative loss from other business income and whether the writ petition challenging the revisional order could be sustained.

Analysis: The assessee's claim for deduction of loss from speculation in gold, silver and similar commodities was rejected by the income-tax authorities and the revisional authority under section 33A of the Indian Income-tax Act, 1922. The High Court had allowed the writ petition by following an earlier decision, but that decision had since been overruled by the Supreme Court in a later judgment. In view of the overruling, the legal foundation for the High Court's decision no longer survived.

Conclusion: The claim for deduction was not accepted, and the writ petition was liable to be dismissed.

Ratio Decidendi: Once the precedent on which the High Court relied stood overruled, the assessee could not succeed in claiming deduction of speculative loss in the writ proceedings.

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