Section 255(3) in Civil Court Rules of the High Court of Judicature at Patna
(3)Where the document is admitted in evidence, a certified copy thereof shall be prepared and placed on the record, if not already there. The original shall then be returned to the person producing it personally or by registered post, or to his pleader unless the genuineness of the document is in controversy, in which case the original shall, unless the court otherwise directs, be returned after the trial is concluded', or, in cases where an appeal lies, after sufficient time has been allowed for appealing, or, if an appeal is preferred, after the determination thereof. The word "appeal" includes a second appeal where a second appeal lies.