Section 187A(3)(c) in The U.P. Zamindari Abolition and Land Reforms Act, 1950
(c)that he shall, within six months next following the date of service of the notice mentioned in sub-section (1) use the land for a purpose connected with agriculture, horticulture or animal husbandry, which includes pisciculture and poultry farming or obtain a declaration under Section 143.