law: The National Green Tribunal Act, 2010 
  9. Salaries,
  
  allowances and other terms and conditions of service. – 
  The salaries and
  
  allowances payable to, and the other terms and conditions of service (including
  
  pension, gratuity and other retirement benefits) of, the Chairperson, Judicial
  
  Member and Expert Member of the Tribunal shall be such as may be prescribed: Provided
  
  that neither the salary and allowances nor the other terms and conditions of
  
  service of the Chairperson, Judicial Member and Expert Member shall be varied
  
  to their disadvantage after their appointment.