Gujarat Tenancy and Agricultural Lands Act, 1948
Any person unauthorisedly occupying or wrongfully in possession of any land— (a) the transfer [or acquisition] of which either by the act of parties or by the operation of law is invalid under the provision of this Act, (b) the management of which has been assumed under the said provisions, or (c) to the use and occupation of which he is not entitled under the said provisions and the said provisions do not provide for the eviction of such persons, may be summarily evicted by the Collector.