law: The National Green Tribunal Act, 2010 
  7. Term of office and
  
  other conditions of service of Chairperson, Judicial Member and Expert Member.
  
  – 
  The Chairperson,
  
  Judicial Member and Expert Member of the Tribunal shall hold office as such for
  
  a term of five years from the date on which they enter upon their office, but
  
  shall not be eligible for re-appointment:
  Provided that in case
  
  a person, who is or has been a Judge of the Supreme Court, has been appointed
  
  as Chairperson or Judicial Member of the Tribunal, he shall not hold office
  
  after he has attained the age of seventy years:
  Provided further that
  
  in case a person, who is or has been the Chief Justice of a High Court, has
  
  been appointed as Chairperson or Judicial Member of the Tribunal, he shall not
  
  hold office after he has attained the age of sixty-seven years: Provided also
  
  that in case a person, who is or has been a Judge of a High Court, has been
  
  appointed as Judicial Member of the Tribunal, he shall not hold office after he
  
  has attained the age of sixty-seven years:
  Provided also that no
  
  Expert Member shall hold office after he has attained the age of sixty-five
  
  years.