law: Indian Boilers Act, 1923 
  21. Finality of orders 
  
  An order of the Central Government under section 20A and, save
  
  as otherwise provided in sections 19, 20 and 20A, an order of an appellate
  
  authority, or of the Chief Inspector, or of a Deputy Chief Inspector, or of an
  
  Inspector, shall be final and shall not be called in question in any court.]