27.3.120 National Company Law Tribunal Rules, 2016
120. Consent for engaging another legal practitioner.-:
A legal practitioner proposing to file a Vakalatnama or Memorandum of Appearance as the case may be, in any pending case or proceeding before the Tribunal in which there is already a legal practitioner or authorised representative on record, shall do so only with the written consent of the legal practitioner or the authorised representative on record or when such consent is refused, with the permission of the Tribunal after revocation of Vakalatnama or Memorandum of Appearance as the case may be, on an application filed in this behalf, which shall receive consideration only after service of such application on the counsel already on record.