UIDAI — Unique Identification Authority of India logo
UIDAI — Unique Identification Authority of India logo

Authentication Documents

Access Aadhaar authentication circulars, regulations, guidelines, onboarding checklists and technical documents for AUAs, KUAs and ASAs.
Circular 9 of 2026 regarding Sub-AUA Sub-KUA LITE Framework

Authentication Documents

Doc Type:PDFSize:1.57 MBUploaded On:18-09-2026

Template for section 7 notification

Authentication Documents

Doc Type:DOCXSize:45.65 KBUploaded On:10-09-2026

Circular 8 of 2026 dated 08.09.2026, Guidelines on publishing Gazette notification, under provision of section 7 of the Aadhaar Act

Authentication Documents

Doc Type:PDFSize:671.47 KBUploaded On:08-09-2026

Comprehensive compliance checklist for Requesting Entities

Authentication Documents

Doc Type:PDFSize:2.06 MBUploaded On:25-08-2026

DOB format changes in eKYC response for Foreigner enrolled Aadhaar Holders

Authentication Documents

Doc Type:PDFSize:705.25 KBUploaded On:15-08-2026

List of Good Governance Schemes presently operated in the States/UTs.

Authentication Documents

Doc Type:PDFSize:325.1 KBUploaded On:24-06-2026

List of Sub AUAs_Sub KUAs as on 04.06.2026

Authentication Documents

Doc Type:PDFSize:678.19 KBUploaded On:17-06-2026

List of AUAs KUAs as on 04.06.2026

Authentication Documents

Doc Type:PDFSize:333.83 KBUploaded On:17-06-2026

Sample Template for Gazette Notification 4(4)(b)(ii)

Authentication Documents

Doc Type:DOCSize:42.5 KBUploaded On:13-05-2026

Circular 4 of 2026 regarding migration from SHA-1 to SHA-2 (SHA-256) for Digital Signing in Aadhaar Authentication Ecosystem

Authentication Documents

Doc Type:PDFSize:845.6 KBUploaded On:21-04-2026

Content Information

Published on:21 May 2026

Last Updated:20 Jun 2026

Owner:A & V

Frequently Asked Questions

You can download the Aadhaar app on your Android/iOS device from the Play Store/App Store. For Android: https://play.google.com/store/apps/details?id=in.gov.uidai.pehchaan  For iOS: https://apps.apple.com/in/app/aadhaar/id6744029871

After downloading the app, the Aadhaar Number Holder (ANH): →Select Language→ Enters their Aadhaar number → Agrees to the Terms and Conditions and Privacy Policy → Chooses the SIM card → Performs Face Authentication → Gets registered on the app → Sets a 6-digit PIN to secure access to the app.

Presently, the Aadhaar app offers various services like - Mobile Number Update, Address Update, Biometric lock/unlock, Selective Sharing of Aadhaar Verifiable Credential, check Authentication History, download e-Aadhaar, share Contact Card, Track my request, etc.

View more F.A.Qs

Content Information

Published on:21 May 2026

Last Updated:20 Jun 2026

Owner:A & V