Section 2(2a)(c) in The West Bengal Motor Vehicles Tax Act, 1979
(c)"permit" means a permit as defined in [clause (31) of section 2 of the Motor Vehicles Act, 1988;] [Words, figures and brackets substituted for the words, figures and brackets 'Clause (20) of section 2 of the Motor Vehicles Act. 1939;' by W.B. Act 6 of 1992, w.e.f. 25.11.1991.]