Section 152A(2) in The U.P. Zamindari Abolition and Land Reforms Act, 1950
(2)A registered Power of Attorney to sell the land executed on or before 12.9.2003 shall be valid if the sale deed on the basis of such Power of Attorney is executed on or before 31.3.2004, irrespective of any time limit provided in such Power of Attorney, unless extended by the Collector of the district for reasons to be recorded in writing.]