Section 8 is in these terms " Where an intermediary has on or after the 1st day of June, 1950, (a) granted a lease of any land in the estate or any part thereof for any non agricultural purposes other than mining for a period of three years or more; or (b) granted a lease or 'entered into a contract relating to any forest, fishery or quarry in his estate for a period of three years or more ; Or (c)granted a lease for the cultivation of any area of bir or pasture or waste land ; and the Collector is satisfied that such lease or contract was not made or entered into in the normal course of management but in anticipation of legislation for the Abolition of Intermediaries, the Collector may, subject to any rules made under this Act, by order in writing, cancel the lease or the contract as the case may be." It provides for cancellation of certain leases granted on or after June 1, 1950, where the lease is for a period of three years or more with respect to matters dealt with in cls.