law: The Lokpal and Lokayuktas Act, 2013 
  9. Member to act as Chairperson or to discharge his functions in
  
  certain circumstances.
  1.       In the
  
  event of occurrence of any vacancy in the office of the Chairperson by reason
  
  of his death, resignation or otherwise, the President may, by notification, authorize
  
  the senior-most Member to act as the Chairperson until the appointment of a new
  
  Chairperson to fill such vacancy.
  2.       When
  
  the Chairperson is unable to discharge his functions owing to absence on leave
  
  or otherwise, the senior-most Member available, as the President may, by
  
  notification, authorise in this behalf, shall discharge the functions of the
  
  Chairperson until the date on which the Chairperson resumes his duties.