Section 120(1)(a) in Kolkata Municipal Corporation Act, 1980
(a)an amount equal to thirty per cent. of the amount realised on account of the [property tax] [Substituted by section 2 of the Calcutta Municipal Corporation (Amendment) Act, 2001 (West Bengal Act VIII of 2001), w.e.f. 23.3.2001, for the words "consolidated rate" .] imposed under section 171 other than the amount realised from bustees;