law: National Environment Tribunal Act, 1995
  13. Resignation and removal
  (1) The Chairperson, Vice-Chairperson or other 
  
  Member may, by notice in writing under his hand addressed to the President, 
  
  resign his office:
  Provided that the Chairperson, Vice-Chairperson
  
  or other Member shall unless he is permitted by the President to relinquish his
  
  office sooner continue to hold office until the expiry of three months from the
  
  date of receipt of such notice or until a person duly appointed as his
  
  successor enters upon his office or until the expiry of his term of office,
  
  whichever is the earliest.
  (2) The Chairperson, Vice-Chairperson or any
  
  other Member shall not be removed from his office except by an order made by
  
  the President on the ground of proved misbehavior or incapacity after an
  
  inquiry made by a Judge of the Supreme Court in which such Chairperson,
  
  Vice-Chairperson or other Member had been informed of the charges against him
  
  and given   a responsible opportunity of being
  
  heard in respect of those charges.
  (3) The Central Government may, by rules,
  
  regulate the procedure for the investigation of misbehavior or incapacity of
  
  the Chairperson, Vice-Chairperson or other Member referred to in sub-section
  
  (2).