law: The Prevention of Terrorism Act, 2002
  44. Protection of
  
  information collected.-
  1.  The
  
  contents of any wire, electronic or oral communication intercepted by any means
  
  authorised by this Chapter shall, as far as possible, be recorded on tape or
  
  wire or other comparable device and shall be don in such manner as to protect
  
  the recording from editing or other alterations.
  2.  Immediately
  
  upon the expiration of the period of order, or extension thereof, such
  
  recording shall be made available to the Competent Authority issuing such order
  
  and shall be sealed under his directions and kept in the custody of such person
  
  or authority as the Competent Authority orders, and such recordings shall not
  
  be destroyed except upon an order of the Competent Authority and in any event
  
  shall be kept for ten years.
  3.  Applications
  
  made and orders issued under this Chapter shall be sealed by the Competent
  
  Authority and custody of the applications and orders shall be kept in such
  
  manner as the Competent Authority directs, and shall not be destroyed except on
  
  an order of the Competent Authority, and in any event shall be kept for ten
  
  years.