Specified secured redeemable non-convertible bonds: tax benefit under section 80L conditioned on transferee's notice to issuer. Central Government specifies 7 year secured redeemable non convertible CIL bonds (F Series), issued by National Hydroelectric Power Corporation Limited, as qualifying securities for the tax concession under clause (ii) of sub section (1) of section 80L of the Income tax Act. The notification conditions access to the tax benefit on transfer: the transferee must inform the issuing Corporation by registered post within sixty days of transfer for the benefit to be admissible.