Section 154(3) in Greater Hyderabad Municipal Corporation Act, 1955
(3)The securities belonging to a sinking fund shall be valued for the purposes of this section at their current market value, except in the case of debentures issued under this Act which shall always be valued at par, provided that the Corporation shall make good immediately any loss which may accrue on the actual sale of such debentures at the time of the repayment of the loan.