law: Employees’ State Insurance Act, 1948
  14. Filling of vacancies
  (1) Vacancies in the office of 48[appointed] or
  
  elected members of the Corporation, the Standing Committee and the Medical
  
  Benefit Council shall be filled by 50[appointment] or election, as
  
  the case may be.
  (2) A member of the Corporation, the Standing Committee or the
  
  Medical Benefit Council 48[appointed] or elected to fill a casual
  
  vacancy shall hold office only so long as the member in whose place he is 48[appointed]
  
  or elected would have been entitled to hold office, if the vacancy had not
  
  occurred.