law: Protection of Human Rights Act, 1993 
  8.Terms
  
  and conditions of service of Members.-
  The
  
  salaries and allowances payable to ,and other terms and conditions of service
  
  of. The Members shall be such as may be prescribed.
  Provided
  
   that neither the salary and allowances
  
  not the other terms and conditions of service of s Member shall be varied to
  
  his disadvantage after his appointment.