Termination of the tenancy

(1) The tenancy of any land held by a tenant shall not be terminated unless such tenant (i) has failed to pay the rent of such land for any year; (ii) has done any act which is destructive or permanently injurious to the land; (iii) has failed to cultivate the land; (iv) has left the land fallow; or (v) has used such land for a purpose other than agriculture. (2) No sub-letting of the land or assignment of any interest held by a tenant shall be valid. Such sub-letting or assignment shall terminate the tenancy: Provided that nothing in this sub-section shall apply to sub-letting of any land held by a tenant who is a widow or a minor or who is subject to physical or mental disability.