Section 25(1)(a) in The Requisitioning And Acquisition Of Immovable Property Act, 1952
(a)all determinations, agreements and awards for the payment of compensation in respect of any such property for any period of requisition before the said date and in force immediately before the said date, shall continue to be in force and shall apply to the payment of compensation in respect of that property for any period of requisition as from the said date;