Taxable difference on Zero Coupon Bonds designated as redemption-minus-bid spread for specified financial holders under withholding rule. Central Government specifies that the taxable amount for five-year Government Zero Coupon Bonds issued by auction is the difference between the redemption value and the bid price, and limits this specification to holdings by banking companies, co-operative banks, public financial institutions, Discount and Finance House of India Limited, and Securities Trading Corporation of India Limited for the purposes of the proviso to section 193.