Section 266(1) in West Bengal Municipal Corporation Act, 2006
(1)Where the erection of any building or the execution of any work has been commenced, or is being carried on, or has been completed without or contrary to the sanction referred to in section 263 or in contravention of any of the provisions of this Act or the rules and the regulations made thereunder, the Commissioner may, in addition to any other action that may be taken under this Act, make an order directing that such erection or work shall be demolished' by the person at whose instance the erection or the work has been commenced or is being carried on or has been completed within such period, not being less than five days and more than fifteen days from the date on which a copy of the order of demolition with a brief statement of the reasons therefor has been delivered to such person, as may be specified in the order:Provided that no order of demolition shall be made unless such person has been given, by means of a notice served in such manner as the Commissioner may think fit, a reasonable opportunity of showing cause why such order shall not be made:Provided further that where the erection or the execution has not been completed, the Commissioner may by the same order or by a separate order, whether made at the time of the issue of the notice under the first proviso or at any other time, direct such person to stop the erection or the execution until the expiry of the period within which an appeal against the order of demolition if made may be preferred under sub-section (3).Explanation. - In this chapter, "the person at whose instance" shall mean the owner, occupier or any other person who causes the creation of any building or execution of any work to be done, including alterations or additions if any, or does it by himself.Provided also that the Commissioner, by order, delegate his powers and functions under the first and the second proviso of this sub-section to the Special Officers, appointed by the Commissioner with the approval of the State Government on such terms and conditions as may be determined by the Corporation, and the expenses for payment of such officers shall be borne from the Municipal Fund.