Quick Answer (TL;DR)
To create a PE-TM mapping chain on the TATA Tele DLT portal, log in and go to Manage Telemarketer Relationship, then click Create New Chain request. Enter Telemarketer ID 1702157373640103575 (SMSINDIAHUB) and click Submit. Once submitted, email info@smsindiahub.in for our approval, then log back into TATA DLT to grant final approval.