Section 110E(ix) in The Mumbai Municipal Corporation Act, 1888
(ix)all securities and cash held by the Board of Trustees for the Improvement of the City of Bombay in existence when the City of Bombay Municipal (Amendment) Act, 1933, comes into operation in sinking funds established for the repayment of such loans shall be transferred to the corporation and shall be held by them as part of the sinking funds established under clause (i);