Section 166(2) in Greater Hyderabad Municipal Corporation Act, 1955
(2)The repayment of the principal sum mentioned in a stock certificate issued under sub-section (1) in lieu of a debenture or any other security, not being a debenture issued under this Act in renewal of such a debenture, and the interest payable thereon shall be deemed to be secured by a mortgage of a proportion of all the taxes which may be levied under this Act in the same manner and to the same extent as if a debenture for the same sum has been issued in the form contained in Schedule D to this Act.