law: The Energy Conservation Act, 2001
  38. Member to act as
  
  Chairperson in certain circumstances.-
  1.  In
  
  the event of the occurrence of any vacancy in the office of the Chairperson of
  
  the Appellate Tribunal by reason of his death, resignation or otherwise, the
  
  senior-most Member of the Appellate Tribunal shall act as the Chairperson of
  
  the Appellate Tribunal until the date on which a new Chairperson, appointed in
  
  accordance with the provisions of this Act to fill such vacancy, enters upon
  
  his office.
  2.  When
  
  the Chairperson of the Appellate Tribunal is unable to discharge his functions
  
  owing to absence, illness or any other cause, the senior-most Member of the
  
  Appellate Tribunal shall discharge the functions of the Chairperson of the
  
  Appellate Tribunal until the date on which the Chairperson of the Appellate
  
  Tribunal resumes his duties.