Section 525(a) in Civil Court Rules of the High Court of Judicature at Patna
(a)Pleaders of all grades, Vakils and Mukhtars must understand their responsibility to the Courts in which they practise in the matter of accepting Vakalatnamas or Mukhtarnamas, as the case may be, from the parties themselves or from persons professing to be authorized by special or general powers-of-attorney to act on behalf of other persons.