law: Companies Act, 2013 
  415.
  
    Acting
  
  President and Chairperson of Tribunal or Appellate Tribunal.
  1.      In the event of the
  
  occurrence of any vacancy in the office of the President or the Chairperson by
  
  reason of his death, resignation or otherwise, the senior-most Member shall act
  
  as the President or the Chairperson, as the case may be, until the date on
  
  which a new President or Chairperson appointed in accordance with the
  
  provisions of this Act to fill such vacancy enters upon his office.
  2.      When the President or
  
  the Chairperson is unable to discharge his functions owing to absence, illness
  
  or any other cause, the senior-most Member shall discharge the functions of the
  
  President or the Chairperson, as the case may be, until the date on which the
  
  President or the Chairperson resumes his duties.