Demolition or alteration of building work unlawfully commenced, carried, on or completed.- (1) If the Commissioner is satisfied, --

(i) that the construction or reconstruction of any building or well-- (a) has been commenced without obtaining the previous permission of the Commissioner or (where an appeal or reference has been made to the council) in contravention of any order passed by the council, or (b) is being carried on, or has been completed otherwise than, in accordance with the plans or particulars on which such permission or order was based, or (c) is being carried on, or has been completed in breach of any of the provisions of this Act or of any rule or bye-law made thereunder or of any direction or requisition lawfully given or made under this Act or any such rule or bye-law, or (ii) that any alteration required by any notice issued under section 300 have not been duly made, or (iii) that any alteration or addition to any building or any other work made or done for any purpose into or upon any building, has been commenced or is being carried on or has been completed in breach of section 313, The section came into force on the 12th day of September, 1974 vide Extraordinary Gazette No. 122 dated 12th September 1974. he may make a provisional order requiring the owner or the builder to demolish the work done or so much of it as, in the opinion of the Commissioner, has been unlawfully executed or to make such alterations as may in the opinion of the Commissioner, be necessary to bring the work into conformity with this Act, or with the rules, bye-laws, directions or requisition as aforesaid, or with the plans and particulars on which such permission or order was based; and may also direct that until the said order is complied with the owner or builder shall refrain from proceeding with the building or well. (2) The Commissioner shall serve a copy of the provisional order made under sub-section (1) on the owner of the building or well together with a notice requiring him to show cause within a reasonable time to be named in such notice why the order should not be confirmed. (3) If the owner fails to show cause to the satisfaction of the Commissioner, the Commissioner may confirm the order with any modification he may think fit to make, and such order shall then be binding on the owner.