Notification No.S.O.3255 – Income Tax In exercise of the powers conferred by clause (iib) of the proviso to section 193 of the Income-tax Act, 1961(43 of 1961), the Central Government hereby specifies the “13% Secured Redeemable Non-convertible Bonds–(B-series)” issued by M/s. National Hydroelectric Power Corporation Limited, New Delhi for the purposes of the said clause