167 The plaintiff respondent filed the suit alleging inter alia that before enforcement of the U.P. Zamindari Abolition and Land Reforms Act, 1950, hereinafter referred to as "Zamindari Abolition Act", defendants Nos. 3 to 25 were the tenants in chief of the plots in suit and his father Munni Lal was their sub tenant; that Munni Lal died in 1951 leav ing behind four sons including the plaintiff respondent; that remaining three brothers of the plaintiff had separated and consequently the plaintiff became sole tenant; that Munni Lal was recorded occupant in Khasra 1356 Fasli and in cultivatory possession in Khasra 1359 Fasli and consequen tially he acquired adhivasi rights and then sirdari rights, the rights of defendants 3 to 25 extinguished under section 240 A of the Zamindari Abolition Act; that in 1968, however, defendants Nos. 1 and 2 obtained fictitious sale deed from defendants Nos. 3 to 25 in respect of the plots in suit.