law: The National Green Tribunal Act, 2010 
  21. Decision to be
  
  taken by majority. – 
  The decision of the
  
  Tribunal by majority of Members shall be binding: Provided that if there is a
  
  difference of opinion among the Members hearing an application or appeal, and
  
  the opinion is equally divided, the Chairperson shall hear (if he has not heard
  
  earlier such application or appeal) such application or appeal and decide:
  Provided further that
  
  where the Chairperson himself has heard such application or appeal alongwith
  
  other Members of the Tribunal, and if there is a difference of opinion among
  
  the Members in such cases and the opinion is equally decided, he shall refer
  
  the matter to other Members of the Tribunal who shall hear such application or
  
  appeal and decide.