Ways to Reach TRAI
Email: ap@trai.gov.in | daca@trai.gov.in
Contact Number: 91-11-2323 6308

Ways to Reach Idea-Vodafone DLT (VILPower)
Email: support@vilpower.in

Ways to Reach PingConnect (Videocon)
Email: dlt.helpdesk@infotelconnect | customercare@infotelconnect.com 

Ways to Reach Jio DLT
Email: jio.ISOMCCSupport@ril.com

Ways to Reach Airtel DLT
Email: telemarketer.helpline@airtel.com 

Ways to Reach BSNL DLT:
BSNL support: https://www.ucc-bsnl.co.in/spoc_support/

Ways to Reach MTNL DLT:
Email: amvasdelhi@gmail.com

Ways to Reach Tata DLT
Email: ttldlt@tatatel.co.in

DLT process is initiated by TRAI (Telecom Regulatory Authority of India) and is executed by Telecom Operators like Idea-Vodofone (VILPower), Reliance Jio, Airtel, BSNL, MTNL, Videocon (PingConnect) and TATA.

If they do not listen to you and you wish to make a complaint against them, here is the public grievance link https://pgportal.gov.in/Home/LodgeGrievance