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.