law: The Central Vigilance Commission Act, 2003 
  10. Vigilance
  
  Commissioner to act as Central Vigilance Commissioner in certain
  
  circumstances.-
  1.  
  
    In
  
  the event of the occurrence of any vacancy in the office of the Central
  
  Vigilance Commissioner by reason of his death, resignation or otherwise, the
  
  President may, by notification, authorise one of the Vigilance Commissioners to
  
  act as the Central Vigilance Commissioner until the appointment of a new
  
  Central Vigilance Commissioner to fill such vacancy.
  2.  
  
    When
  
  the Central Vigilance Commissioner is unable to discharge his functions owing
  
  to absence on leave or otherwise, such one of the Vigilance Commissioners as
  
  the President may, by notification, in this behalf, shall discharge the
  
  functions of the Central Vigilance Commissioner until the date on which the
  
  Central Vigilance Commissioner resumes his duties.