Section 24(2)(a) in The Requisitioning And Acquisition Of Immovable Property Act, 1952
(a)all agreements and awards for the payment of compensation in respect of any such property for any period of requisition before the commencement of this Act and in force immediately before such commencement, shall continue to be in force and shall apply to the payment of compensation in respect of that property for any period of requisition after such commencement;