India's new telecom cybersecurity rules could require WhatsApp users to maintain an active SIM card for account functionality and face auto-logouts every six hours on WhatsApp Web. The Department of Telecommunications aims to tackle rising online fraud through the Telecommunication Cybersecurity Amendment Rules, 2025. Messaging services like WhatsApp, Telegram, and Signal must comply within 90 days. Experts express concern over effectiveness; COAI supports using SIM cards for verification to combat cybercrime.