Section 3(1)

Notwithstanding anything contained in any other law for the time being in force, the land puchased or the possession of which is taken over under an agreement of exchange or agreement to sale, by the Government Instrumentality, the said puchase, agreement to sale or agreement of exchange, as may be notified once by the State Government in the Official Gazette, shall not be considered invalid merely by a reason of not being properly stamped or registered by the Government Instrumentality.