Specified taxable debentures under section 80L designated as secured, redeemable non convertible bonds with half yearly interest. Central Government specifies particular secured, redeemable, non convertible taxable debentures in the nature of bonds of Steel Authority of India Limited as qualifying under clause (ii) of sub section (1) of section 80L of the Income tax Act, 1961, identifying two five year series with half yearly interest payable, fixed denominations, sequential distinctive numbers, and specified aggregate issuance.