Section 323(1) in The U.P. Zamindari Abolition and Land Reforms Act, 1950
(1)Subject to any conditions or restrictions that may be prescribed, the Compensation Officer or the Rehabilitation Grants Officer may, by written order, require any person to produce such documents, papers and registers or to furnish such information as the Compensation Officer or the Rehabilitation Grants Officer may deem necessary for the proper exercise of his powers or the proper discharging of his duties under this Act.