Section 39(2) in The Wild Life (Protection) Act, 1972
(2)Any person who obtains, by any means, the possession of Government property, shall, within forty-eight hours from obtaining such possession, make a report as to the obtaining of such possession to the nearest police station or the authorised officer and shall, if so required, hand over such property to the officer-in-charge of such police station or such authorised officer, as the case may be.