Trai’s crackdown on pesky calls: Telcos block 2.75 lakh telephone numbers, 50 firms

New Delhi: As many as 2.75 lakh telephone numbers have been disconnected and services to 50 entities blocked as part of regulator Trai’s massive crackdown against pesky calls and unregistered telmarketers. The move came after Telecom Regulatory Authority of India (Trai) asked telcos to blacklist and disconnect unregistered telemarketers.