law: The Small Industries Development Bank of India Act, 1989 
  10. Casual vacancies in
  
  office of Managing Director 
  If the Managing Director is, by infirmity, or
  
  otherwise rendered incapable of carrying out his duties or absent on leave or
  
  otherwise in circumstances not involving the vacation of his office, the Development
  
  Bank may appoint another person to act in his place during his absence.