S. 11 : Property held for charitable purposes-Once Department accepts that Assessee was charitable society claim to exemption could not be denied merely because the assessee has made in revised return-Depreciation-Not a double benefit-Taxes paid out of current year’s income-Allowable as application of income. [S.2(15), 11(1)(a), 11(2), 12A, 32, 139(5)]