e-KYC Aadhaar Authentication service: NSE added to authorised providers, subject to existing compliance conditions and oversight. Permission is granted for an additional market entity to undertake e-KYC Aadhaar Authentication service, expanding authorised providers to include the National Stock Exchange subject to existing compliance conditions. Stock exchanges and depositories must notify intermediaries, amend bye-laws for uniform implementation, report the implementation status in the next Monthly Development Report, and monitor compliance with the circular, under the regulator's powers to protect investors and regulate the securities markets.