Section 284(2) in The Bombay Provincial Municipal Corporations Act, 1949
(2)An order authorising the compulsory acquisition of land comprised in a clearance area shall be submitted by the Commissioner, with the approval of the Corporation, to the State Government within six months, and an order authorising the compulsory acquisition of land surrounded by or adjoining a clearance area shall be submitted by the Commissioner with the approval of the Corporation to the State Government within twelve months after the date of the resolution of the Corporation declaring the area to be a clearance area or within such longer period as the State Government may, in the circumstances of the particular case, allow.