( 1) The fair rent determined under this Act shall not be liable to alteration or revision except on the application made by the cultivating tenant to the Land Tnbunal on the grounds specified m sub-sections (2) and (3).
(2) Where a portion of the land comprised in the holding is acquired under any law for the time being in force for the compulsory acquisition of land for pubhc purposes, the tenant shall be entitled to an abatement in the rent in the same proportion as the yield from the portion acquired bears to the yield from the entire holding.
(3) Where any material part of the holding is wholly destroyed or rendered substantially and permanently unfit for the purpose for which it was let, by fire or flood or any other act of God, the rent pay able shall be proportionately reduced.
(4) Where in respect of a holding, there is an intermediary and the rent to which the intermediary is entitled is reduced as a result of 32 the abatement in the rent granted under sub-section (2) or reduction of rent granted under sub-section (3), the rent payable by the interme diary to his landlord shall be reduced in the same proportion.