New Delhi, Aug. 4 -- The Telecom Regulatory Authority of India (TRAI) took action against 1.83 lakh telecom resources and blacklisted 263 senders during the first quarter of FY 2026-27 as part of its efforts to curb unsolicited commercial communications (UCC), according to the regulator's quarterly highlights released on Tuesday.

During April-June 2026, the country recorded 1.085 million UCC complaints, of which 0.553 million were classified as actionable complaints. Against this, 1,37,053 telecom resources were barred for 15 days for the first violation, while repeat violations resulted in telecom resources being disconnected for one year. TRAI also blocked 2,873 SMS headers and blacklisted 263 senders for one year.

The enforcement act...