Section 268(4) in The Bombay Provincial Municipal Corporations Act, 1949
(4)On the issue of a notice under sub-section (1), every person in occupation of the building or portion thereof of which the notice relates shall vacate such building or portion as directed in the notice and no person shall, so long as the notice is not withdrawn, enter the building or portion thereof except for the purpose of carrying out any work which he may lawfully carry out.