COMMISSIONER OF INCOME-TAX, U.P. vs JAGANNATH MAHADEO PRASAD, ETC.

The Supreme Court held that under Section 24(1) of the Income-tax Act, 1922, losses from speculative transactions cannot be set off against profits from other business activities, except to the extent of profits from other speculative transactions. The Court clarified that prior observations in Commissioner of Income-tax, Gujarat v. Kantilal Nathu Chand were not obiter, as the applicability of the proviso was directly in question. The Court upheld the High Court's ruling in favor of the assessee, affirming the distinct treatment of speculative business losses.