law: Information Technology Act, 2000
  28. Power to investigate contraventions. – 
  (1) The Controller or any officer authorized
  
  by him in this behalf shall take up for investigation any contravention of the
  
  provisions of this Act, rules or regulations made thereunder.
  (2) The controller or any officer authorized by
  
  him in this behalf shall exercise the like powers which are conferred on
  
  Income-tax authorities under Chapter XIII of the Income-tax Act, 1961, (43 of
  
  1961), and shall exercise such powers, subject to such limitations laid down
  
  under that Act.