Please register yourself on following operator for DLT
Vodafone-Idea :- https://www.vilpower.in
Videocon :- https://smartping.live/entity/login
Airtel :- https://bit.ly/36aWXgZ
TATA- https://telemarketer.tatateleservices.com:8082/#/
Jio- https://trueconnect.jio.com
BSNL-https://www.ucc-bsnl.co.in