Section 11(1) of income tax act 1961 July 8, 2019 16 32 64 128 Section 11 1 of income tax act 1961 Section 11 1 )( c of income tax act 1961 Section 11 1 )( d of income tax act 1961 Section 11 Section 199a explained Section 11(1) of income tax act Section 199a qualified business income deduction Section 179