Authentication Documents
Access Aadhaar authentication circulars, regulations, guidelines, onboarding checklists and technical documents for AUAs, KUAs and ASAs.
Sample Template for Gazette Notification 4(4)(b)(ii)
Doc Type: DOC• Size: 42.5 KB• Uploaded 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
Doc Type: PDF• Size: 845.6 KB• Uploaded On: 21-04-2026
Technical document for migration from SHA-1 to SHA-2 (SHA-256) for Digital Signing in Aadhaar Authentication Ecosystem
Doc Type: PDF• Size: 227.03 KB• Uploaded On: 15-04-2026
Circular 3 of 2026 regarding streamlining onboarding of requesting entities from pre-production to production environment.
Doc Type: PDF• Size: 502.83 KB• Uploaded On: 25-03-2026
Circular no 2 of 2026 regarding Aadhaar face authentication onboarding audit checklist version 2.0 for requesting entities
Doc Type: PDF• Size: 242.84 KB• Uploaded On: 03-03-2026
Circular 1 of 2026 regarding Implementation of Unique Identifiers for Aadhaar-based Authentication Transactions.
Doc Type: PDF• Size: 2.44 MB• Uploaded On: 06-02-2026
Pre-Onboarding AUA/ KUA Checklist
Doc Type: PDF• Size: 297.63 KB• Uploaded On: 21-01-2026
Circular 15 of 2025 dated 08.12.2025 regarding revision of fees wef Nov 2025
Doc Type: PDF• Size: 125.05 KB• Uploaded On: 26-12-2025
Revised Supplementary Agreement as per Circular 12 of 2025 dtd 24.10.2025 .
Doc Type: DOCX• Size: 32.3 KB• Uploaded On: 07-11-2025
Circular No. 14 of 2025 - Revised Guidelines for ADV HSM Authentication Application Hosting.
Doc Type: PDF• Size: 5.81 MB• Uploaded On: 07-11-2025
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
