Commr.Of Income Tax,Rajkot vs M/S Gujarat Siddhi Cement Ltd

The Supreme Court upheld the Gujarat High Court's decision affirming the Income Tax Appellate Tribunal's allowance of investment allowance under Section 32A of the Income Tax Act, 1961, based on fluctuations in foreign exchange rates affecting the cost of plant and machinery. The Court clarified that Section 43A(1) applies when there is a liability increase or decrease due to foreign exchange rates, and emphasized that the case of Commissioner of Income Tax v. Arvind Mills did not pertain to investment allowance under Section 32A. The appeal was dismissed, affirming the lower courts' rulings.