Income Tax Act, 1961
Sch. I Part A Rule 2 . I INSURANCE BUSINESS A LIFE INSURANCE BUSINESS COMPUTATION OF PROFITS OF LIFE INSURANCE BUSINESS.
The profits and gains of life insurance business shall be taken to be the annual average of the surplus arrived at by adjusting the surplus or deficit disclosed by the actuarial valuation made in accordance with the Insurance Act, 1938 (4 of 1938), in respect of the last inter-valuation period ending before the commencement of the assessment year, so as to exclude from it any surplus or deficit included therein which was made in any earlier inter-valuation period.