law: National Environment Appellate Authority Act, 1997
  8. Resignation and removal- 
  (1) The Chairperson, the Vice-Chairperson or a
  
  Member may, by notice writing under his hand addressed to the President, resign
  
  his office:
  Provided  that the Chairperson, the
  
  Vice-Chairperson or a 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, the Vice-Chairperson or a
  
  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, the
  
  Vice-Chairperson or a Member had been informed of the charges against him and
  
  given a reasonable opportunity of being heard in respect of those charges.
  (3) The President may suspend from office the
  
  Chairperson, the Vice-Chairperson or a Member in respect of whom a reference
  
  has been made to the Supreme Court under sub-section (2) until the President
  
  has passed orders on receipt of the report of the Supreme Court on such
  
  reference.
  (4) The Central Government may, by rules,
  
  regulate the procedure for the investigation of misbehavior or incapacity of
  
  the Chairperson, the Vice-Chairperson or a Member referred to in sub-section
  
  (2).