Section 257G(1) in Chennai City Municipal Corporation Act, 1919
(1)When a standard plan has been approved for any cheri or hutting ground under section 257-C or section 257-D, the commissioner may, at any time, by notice, require the owner of any building or hut in such cheri or hutting ground, which is not in conformity with the standard plan, to remove the whole or any portion of such building or hut.