Sources said that in the notice to Telegram, the government has asked the platform why it should be allowed to retain the username feature. On Wednesday, the Centre issued a notice to Meta over the username feature on WhatsApp, citing concerns that it could materially increase online fraud, phishing, digital arrest scams, and impersonation attacks.

WhatsApp has announced the introduction of usernames, a feature that will allow users to communicate without sharing their phone numbers. | India News

India may issue notice to Meta over WhatsApp usernames, amid fears the feature could fuel fraud, impersonation and clash with strict Indian cyber security rules.

Indian government issues urgent notice to Meta regarding WhatsApp's username feature, citing potential impersonation and fraud risks.