Section 416(4) in Kolkata Municipal Corporation Act, 1980
(4)Notwithstanding any other action that may be taken against any person whether owner or occupier or both, contravening any provision of this section, the Municipal Commissioner may levy on such person in accordance with such scale as may be [determined by regulations] [Substituted by section 19 of the Calcutta Municipal Corporation (Amendment) Act, 1988 (West Bengal Act No. 21 of 1988), w.e.f. 20.2.1989, for the word prescribed.] a fine not exceeding in each case rupees one hundred per square metre per month for the area under unauthorized use throughout the period during which such contravention continues.