Section 525(b) in Civil Court Rules of the High Court of Judicature at Patna
(b)The Courts accept Vakalatnamas and Mukhtarnamas on the responsibility of the legal practitioners filing them. A Pleader or Mukhtar accepting a Vakalatnama or Mukhtarnama purporting to be executed by his client in person is bound to satisfy himself that it was so executed. When it purports to be executed by a third party on behalf of his client he is bound to ascertain that such person has been duly empowered by the client to appoint a Pleader, Vakil or Mukhtar, as the case may be, and has himself executed the document.