Govt extends SIM binding deadline to January 1, 2027; WhatsApp to require active SIM

The central government has extended the deadline for implementing ‘SIM binding’ rules to December 31, 2026, with the new framework now set to come into force from January 1, 2027. The decision follows requests from industry stakeholders seeking more time to align systems with the proposed security requirements.

Under the new regulations, messaging platforms such as WhatsApp, Telegram, and Signal will function only when the registered SIM card is physically present in the user’s mobile device. In addition, accounts accessed on desktops or other devices may automatically log out within a limited duration if the SIM is not detected, significantly tightening account authentication measures.

The government has positioned SIM binding as a critical cybersecurity initiative aimed at curbing fraud, identity theft, and misuse of mobile numbers. By linking applications directly to a physical SIM, authorities believe it will become significantly harder for fraudsters to operate using cloned numbers or unauthorized devices. Users will be required to keep their registered SIM inserted in the same device to ensure uninterrupted access to messaging services.

However, the proposed rules have raised concerns among technology stakeholders and industry bodies, who have flagged potential inconvenience, especially for professionals relying on multi-device access. Companies have been directed to comply within a stipulated timeframe, failing which action may be taken under the Telecommunications Act, 2023, and related cybersecurity regulations. The move signals a broader push toward stricter digital security enforcement as cybercrime concerns continue to rise.