Section 10A(4) in The Cable Television Networks (Regulation) Act, 1995
(4)On being so directed by the Central Government or its authorised officers or agency so authorised by it, the cable operator shall provide the necessary equipment, services and facilities at designated place or places for lawful interception or continuous monitoring of the cable service at its own cost by or under the supervision of the Central Government or its officers or agency so authorised by it.