The rent of a tenant, other than a permanent tenure-holder or a fixed-rate tenant, shall be liable to enhancement under this Act on one or more of the following grounds only ;
(a) that the rent payable by the tenant is substantially less than the rent calculated at the sanctioned rates appropriate to him; or
(b) that the productive powers of the land held by the tenant have been increased by fluvial action; or
(c) that the productive powers of the land held by the tenant have been increased by an improvement effected by or at the expense of the landholder; or (d) that the area of the tenant's holding has been increased by alluvion.
(a) that the rent payable by the tenant is substantially less than the rent calculated at the sanctioned rates appropriate to him; or
(b) that the productive powers of the land held by the tenant have been increased by fluvial action; or
(c) that the productive powers of the land held by the tenant have been increased by an improvement effected by or at the expense of the landholder; or (d) that the area of the tenant's holding has been increased by alluvion.
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