The Department of Telecommunications (DoT) has issued new directives requiring app-based communication platforms to ensure their services cannot be used without an active SIM card. This move follows the introduction of the Telecommunication Cybersecurity Amendment Rules, 2025 , which expand telecom regulations to include a new category called Telecommunication Identifier User Entity (TIUE) . Under these amended rules, TIUEs must meet several cybersecurity requirements. One major requirement is the mandatory use of a Mobile Number Validation (MNV) Platform to verify users linked to a mobile number. Additionally, the government now has the authority to instruct TIUEs to stop using specific telecom identifiers for user verification or service delivery if needed. Why these rules matter When the TIUE framework was first proposed, experts raised concerns that the definition was too broad. Because TIUE includes any organisation that uses mobile numbers to identify or se...