Section 286(6) in The West Bengal Motor Vehicles Rules, 1989
(6)If the Commissioner of Police, [Kolkata] [Substituted vide section 5 of the West Bengal Capital City (Change of Name) Act, 2001 (West Bengal Act 18 of 2001) (w.r.e.f. 1.1.2001) for the word 'Calcutta'.], or the District Magistrate, as the case may be, is satisfied that the amount so realised is excessive, he shall order a refund to be made to the persons submitting the statement of the amount which he considers to be in excess of the amount which such person is liable to make good under sub-rule (3).