Section 285M(i) in U.P. Zamindari Abolition and Land Reforms Rules, 1952
(i)After a sale of holding or other immovable property under the Act, has been confirmed in the manner aforesaid, the Collector shall put the person declared to be purchaser into possession of such property, and shall grant him a certificate to the effect that he has purchased the property to which the certificate refers and such certificate shall be deemed to be a valid transfer of such property, but need not be registered as a conveyance except as provided by Section 89 of the Registration Act, 1908.