New Delhi, Feb. 10 -- With telecom operators now blocking or flagging nearly 400 million suspected spam calls and messages every day, India's telecom regulator is looking to widen its current enforcement framework alongside a willingness to tighten the rules if gaps persist, while moving toward a full rollout of a digital consent system for commercial communications.

In an interview with Mint, Anil Kumar Lahoti, chairman of the Telecom Regulatory Authority of India (Trai), said the regulator is reviewing the existing framework governing telemarketers to identify areas where responsibilities are not being met and is open to strengthening the rules if required. Lahoti also said Trai is moving toward a full rollout of the Digital Consent Ac...