Section 525(e) in Civil Court Rules of the High Court of Judicature at Patna
(e)Where there are more parties than one and they want to file separate Vakalatnamas or Mukhtarnamas, the Vakalatnama or Mukhtarnama of one may be received from any other similarly authorised but if they desire to put in one and the same Vakalatnama or Mukhtarnama it may be received from any one of them or from a person duly authorized by any one of them without special authority from the others.