law: Information Technology Act, 2000
  55. Orders constituting Appellate Tribunal to
  
  be final and not to invalidate its proceedings. – 
  No order of the Central Government appointing
  
  any person as the Presiding Officer of a Cyber Appellate Tribunal shall be called
  
  in question in any manner and no act or proceeding before a Cyber Appellate
  
  Tribunal shall be called in question in any manner on the ground merely of any
  
  defect in the constitution of Cyber Appellate Tribunal.