TRAI blocks 1.48 billion promotional calls in Q1 after DND checks

India's telecom regulator TRAI blocked 1.48 billion promotional calls and 7.30 billion promotional SMS in Q1 FY27 after verifying them against consumer do-not-disturb (DND) preferences, according to a report released Tuesday. The report covers April-June 2026, during which 13.16 billion promotional calls originated via the dedicated 140 series and 248.06 billion commercial SMS were routed through registered channels. AI-based spam detection flagged 24.43 billion suspected spam calls and SMS, issuing over 243,000 warnings to senders. TRAI also took action against 183,000 telecom resources and blacklisted 263 senders, using measures like outgoing barring and long-term disconnection. Total UCC complaints reached 1.085 million against 730.82 billion total calls, equating to roughly 1.5 complaints per million calls.