law: Land Acquisition Act, 1894
  39.Previous consent of
  
  appropriate Government and execution of agreement necessary:-
  The provisions of
  
  section 6 to 37 (both inclusive) shall not be put in force in order to acquire
  
  land for any Company, unless with the previous consent of the appropriate
  
  Government, nor unless the Company shall have executed the agreement
  
  hereinafter mentioned.