Section 263A(2) in The Bombay Provincial Municipal Corporations Act, 1949
(2)If such person fails to show sufficient cause to the satisfaction of the Commissioner why such hut or shed or any part thereof should not be demolished or so altered, he shall demolish or alter the hut or shed within such time as he is required so to do by the Commissioner; and if he fails to do so, the Commissioner may demolish or alter the hut or shed.