Section 229(a) in Civil Court Rules of the High Court of Judicature at Patna
(a)Every record under Classes IV and IV-A shall, except as provided in sub-rules (b) and (d) consist of one file which shall contain all the papers relating to the case. It shall be styled and marked File D where the decree under execution has been passed in a suit belonging to Class III-A and File C in all other cases.