Section 17B(1) in The West Bengal Premises Tenancy Act, 1956.
(1)Where a decree for the recovery of possession of any premises was passed before the commencement of the West Bengal Premises Tenancy (Amendment) Act, 1968, in a suit in which the defence against delivery of possession was struck out by an order under sub-section (3) of section 17, but the possession of such premises has not been recovered from the tenant by the execution of such decree, the tenant may, within a period of sixty days of such commencement, make an application to the Court which passed such decree to set aside such decree.Explanation. - Where such decree has been passed in the exercise of appellate jurisdiction, an application under this sub-section shall be made to the Court of first instance.