law: Industrial Disputes Act, 1947
  8. Filling of vacancies
  
  
  If, for any reason a vacancy (other than a temporary absence)
  
  occurs in the office of the presiding officer of a Labor Court, Tribunal or
  
  National Tribunal or in the office of the Chairman or any other member of a
  
  Board or court, then, in the case of a National Tribunal, the Central
  
  Government and in any other case, the appropriate government shall appoint
  
  another person in accordance with the provisions of this Act to fill the
  
  vacancy, and the proceeding may be continued before the Labor Court, Tribunal,
  
  National Tribunal, Board or court, as the case may be, from the stage at which
  
  the vacancy is filled.