law: National Bank for Agriculture and Rural Development Act, 1981 
  11. Casual vacancy in
  
  the office of Managing Director.- 
  If the Managing
  
  Director is by infirmity or otherwise rendered incapable of carrying out his
  
  duties or is duties or is absent on leave or otherwise, in circumstances not
  
  involving the vacation of his appointment, the Central Government may, after
  
  consultation with the Reserve Bank and the Board, appoint another person to act
  
  in his place as Managing Director during his absence.