Public Premises (Eviction of Unauthorized Occupants) Act, 1971
5B. Order of demolition of unauthorized construction. –
(1) Where the erection of any building or execution of any work has been commenced, or is being carried on, or has been completed on any public premises by any person in occupation of such public premises under an authority ( whether by way of grant or any other mode of transfer), and such erection of building or execution of work is in contravention of, or not authorized by, such authority, then, the estate officer may, in additions to any other action that may be taken under this Act or in accordance with the terms of the authority aforesaid, make an order, for reasons to be recorded therein, directing that such erection or work shall be demolished by the person at whose instance the erection or work has been commenced, or is being carried on, or has been completed, within such period, as may be specified in the order]
Provided that no order under this sub-section shall be made unless the person concerned has been given by means of notice [ of not less than seven days] served in the prescribed manner, a reasonable opportunity of showing cause why such order should not be made.
(2) Where the erection or work has not been completed, the estate officer may, by the same order or by a separate order, whether made at the time of the issue of the notice under the proviso to sub-section (1) or at any other time, direct the person at whose instance the erection or work has been commenced, or is being carried on, to stop the erection or work until the expiry of the period within which an appeal against the order of demolition, if made, may be preferred under section 9.
(3) The estate officer shall cause every order made under sub-section (1), or, as the case may be, under sub-section (2) to be affixed on the outer door, or some other conspicuous part, of the public premises.
(4) Where no appeal has been preferred against the order of demolition made by the estate officer under sub-section (1) or where an order of demolition made by the estate officer under that sub-section has been confirmed no appeal, whether with or without variation, the person against whom the order has been made shall comply with the order within the period specified therein, or , as the case may be, within the period, the estate officer or any other officer duly authorized by the estate officer in this behalf, may cause the erection or work to which the order relates to be demolished.
(5) Where an erection or work has been demolished, the estate officer may, by order, require the person concerned to pay the expenses of such demolition within such time and such number of installments, as may be specified in the order.]