Section 30(3) in The Right To Fair Compensation And Transparency In Land Acquisition, Rehabilitation and Resettlement Act, 2013
(3)In addition to the market value of the land provided under section 26, the Collector shall, in every case, award an amount calculated at the rate of twelve per cent. per annum on such market value for the period commencing on and from the date of the publication of the notification of the Social Impact Assessment study under sub-section (2) of section 4, in respect of such land, till the date of the award of the Collector or the date of taking possession of the land, whichever is earlier.