Section 23(2)(i) in The West Bengal Mining Settlements (Health And Welfare) Act, 1964
(i)in the case of the fee, [ rupees one hundred] [ Words 'rupees forty' first Substituted for the words 'rupees ten' by W.B. Act 32 of 1981. then the words within third brackets Substituted for the words 'rupees forty by W.B. Act 19 of 1992.] per hundred metric tonnes,