Biometric Aadhaar authentication mandated by amendment to CGST notification, extending rule 8 coverage to an additional territory. The notification amends Notification No. 27/2022 Central Tax to extend biometric Aadhaar authentication under the relevant rule by inserting 'and the State of Puducherry' after 'State of Gujarat', thereby expanding the territorial scope of the existing authentication requirement as recommended by the Council and effected under the empowering sub rule.