“Court which passed the decree or order” shall be deemed to include,— (a) where the decree or order has been varied or reversed in exercise of appellate or revisional jurisdiction, the Court of first instance; (b) where the decree or order has been set aside by a separate suit, the court of first instance which passed such decree or order; (c) where the Court of first instance has ceased to exist or has ceased to have jurisdiction to execute it, the Court which, if the suit wherein the decree or order was passed were instituted at the time of making the application for restitution under this section, would have jurisdiction to try such suit.] (2) No suit shall be instituted for the purpose of obtaining any restitution or other relief which could be obtained by application under sub-section (1).”13 The principle behind the order of restitution made after the original decree is reversed or varied or modified has been explained by this Court in the matter of South Eastern Coal Fields