law: Information Technology Act, 2000
  69. Directions of Controller to a subscriber
  
  to extend facilities to decrypt information. – 
  (1) If the Controller is satisfied that it is
  
  necessary or expedient so to do in the interest of the sovereignty or integrity
  
  of India, the security of the State, friendly relations with foreign States or
  
  public order or for preventing incitement to the commission of any cognizable
  
  offence, for reasons to be recorded in writing, by order, direct any agency of
  
  the Government to intercept any information transmitted through any computer
  
  resource.
  (2) The subscriber or any person incharge of
  
  the computer resource shall, when called upon by any agency which has been
  
  directed under sub-section (1), extend all facilities and technical assistance
  
  to decrypt the information.
  (3) The subscriber or any person who fails to
  
  assist the agency referred to in sub-section (2) shall be punished with an
  
  imprisonment for a term which may extend to seven years.