India Cracks Down on Spam Calls

India's telecom regulator has amended rules to require caller-ID and call-management apps to share users' spam reports with telecom operators. The change aims to broaden the pool of spam reports available for action against spammers.

The Telecom Regulatory Authority of India (TRAI) has made it mandatory for call-ID and call-management apps to send spam reports to a blockchain-based platform maintained by telecom operators. This platform tracks commercial communications and enforces anti-spam rules.

Truecaller, a popular caller-ID app with over 500 million monthly active users globally, has criticized the move. The company sees the requirement to share spam reports with telecom operators as a 'one-way exchange' that is 'anti-competitive'. Truecaller has a significant presence in India, with over 350 million users in the country.

In 2025, Truecaller's users in India encountered around 42 billion spam calls, including calls that were blocked, labeled, or ignored. The company blocked nearly 12 billion spam calls during the year. Despite this, the amended rules bar call-management apps from blanket blocking, filtering, or spam-tagging calls from designated number series used for promotional, service, and transactional communications.

## Why it matters The change is intended to help India tackle its massive spam and fraudulent call problem. By connecting reports collected by apps with the telecom industry's enforcement infrastructure, the regulator hopes to take more effective action against spammers. However, the move has sparked concerns over data sharing and competition in the caller-ID market.

Individual users can still choose to block calls on their own devices, but the new rules may limit the ability of call-management apps to automatically block spam calls. As the telecom regulator and caller-ID apps navigate this new landscape, the impact on users and the effectiveness of spam prevention efforts will be closely watched.