law: The Administrative Tribunals Act, 1985
  10. Salaries and Allowances and Other Terms and Conditions of Service of Chairman, Vice-Chairman and Other Members. -
  The salaries and allowances payable to and the
  
  other terms and conditions of service (including pension, gratuity and other
  
  retirement benefits) of the Chairman, Vice-Chairman and other Members shall be
  
  such as may be prescribed by the Central Government : 
  Provided  that neither the salary and allowances
  
  nor the other terms and conditions of service of the Chairman, Vice-Chairman or
  
  other Member shall be varied to his disadvantage after his appointment.