Tamil Nadu Cements Corporation Ltd. v JCIT [TC(A). No. 1123 of 2005] (Madras High Court) Background: The assessee during the relevant assessment year deducted prior period expenses of Rs 96,94,693 from book profits while computing MAT under section 115JA. The Assessing Authority viewed that as per the provisions of the Companies Act, prior year adjustments could not be reduced for arriving at the net profit of that particular year. The AO held that the computation done by the assessee was not in accordance with Section 115JA of the Act.