727 (4) Whether or not an intimation under sub section (1)is given and notwithstanding anything contained in section 5, the State Government may by order in writing (a) requisition the premises for the purpose of the State or any other public purpose and may use or deal with the premises for any such purpose in such manner as may appear to it to be expedient, or Provided that where an order is to be made under clause (a) requisitioning the premises in respect of which no intimation is given by the landlord, the State Government shall make such inquirv as it deems fit and make a declaration in the order that the promises were vacant or had become vacant, on or after the date referred to in sub section (1) and such declaration shall be conclusive evidence that the premises were or had so become vacant: Explanation For the purposes of this section, (a) premises which are in the occupation of the landlord, the tenant or the sub tenant, as the case may be, shall be deemed to be or become vacant when such landlord ceases to be in occupation or when such tenant or sub tenant ceases to be in occupation upon termination of his tenancy, eviction, assignment or transfer in any other manner of his interest in the premises or otherwise, notwithstanding any instrument or occupation by any other person prior to the date when such landlord, tenant or sub tenant so ceases to be in occupation; 13.(1) Every order made under sections 5, 6, 7, 8 A or 8 B or sub section (7) of section 9 or section 12 shall (a)if it is an order of a general nature or affecting a class of persons, be published in the mariner prescribed by rules made in this behalf (b)if it is an order affecting an individual, corporation, or firm, be served in the manner provided for the service of a summons in Rule 2 of Order XXIX or Rule 3 of Order XXX, as the case may be, in the First Schedule of the Code of Civil Procedure, 1908 ; 728 (c)if it is an order affecting an individual person other than a corporation or firm, be served on the person (i)personally, by delivering or tendering to him the order, or (ii) by post, or (iii) where the person cannot be found, by leaving an authentic copy of the order with some adult male member of his family or by affixing such copy to some conspicuous part of the premises in which he is known to have last resided or carried on business or worked for gain.