The Department of Telecommunications (DoT) has said that the amendments to the Telecommunication Cyber Security (TCS) Rules, 2024, formally notified on October 22, 2025, are fully in force and enforceable.
Department of Telecommunications (DoT) on Thursday clarified that the publishing error in the Telecommunication Cyber Security (TCS) Amendment Rules, 2025, has been rectified and the rules continue to be in force, a press release said.