Section 536(2) in Kolkata Municipal Corporation Act, 1980
(2)Whenever, under any provision of this Act, the Municipal Commissioner is authorised to agree to pay the whole or any portion of. the expenses of acquiring any immovable property, he shall do so on such terms at such rates or prices or at rates or prices not exceeding such maxima as may be approved by the Mayor-in-Council either generally or in particular as aforesaid.