Regarding purchase of a plot

Section 143 of the U.P.Zamindari abolition ad Land Reforms Act, which authorises the Assistant Collector/SDM of the area to change the nature of a land from agricultural to residential. This change in the nature of the land is considered aither suo motu, or on the request of the party, whereupon, a survey of the land is conducted by the Lekhpal (A revenue official at the grassroot level) , and then he sends his report to the SDM concerned , with the endorsements of Tehsildar. If the SDM is satisfied from the report, he, in turns, passes a declaration under Section143 , converting the land use.