GST registration in Haryana, Manipur, Meghalaya, and Tripura will now involve biometric Aadhaar authentication and document verification. Under this, some applicants might be required to visit a GST Suvidha Kendra to complete biometric verification. Read on to find out who will be required to visit the GST Suvidha Kendra for biometric verification, and in which states is this facility already active.