Section 194(1) in The Calcutta Municipal Corporation Act, 1980
(1)If the annual valuation of any land or building exceeds the amount calculated on the basis of the rent of such land or building payable to the person upon whom the consolidated rate on such land or building is leviable under section 193, such person shall be entitled to receive from his tenant the difference between the amount of the consolidated rate on such land or building and the amount which would be leviable if the consolidated rate on such land or building were calculated on the basis of the rent payable to him.