Section 17(1) in The West Bengal Court-Fees Act, 1970
(1)The High Court shall, when dealing with an application for leave to appeal to the Supreme Court, make an order for the payment of any deficit court-fee with such interest not exceeding six per centum per annum as the High Court may direct, in all cases where the High Court finds that the subject-matter of the suit or appeal had been undervalued either in the Court of first instance or in the Court of Appeal or in both, irrespective of whether the certificate of fitness for appeal to the Supreme Court is or is not granted.
