Authentication Documents - Unique Identification Authority of India | Government of India

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

21 Apr 2026

Document Type: pdf

0.8 MB
2. Technical document for migration from SHA-1 to SHA-2 (SHA-256) for Digital Signing in Aadhaar Authentication Ecosystem

15 Apr 2026

Document Type: pdf

0.2 MB
3. List of AUAs KUAs as on 31.03.2026

6 Apr 2026

Document Type: pdf

0.5 MB
4. List of Sub AUAs_Sub KUAs as on 31.03.2026

6 Apr 2026

Document Type: pdf

0.5 MB
5. Circular 3 of 2026 regarding streamlining onboarding of requesting entities from pre-production to production environment.

25 Mar 2026

Document Type: pdf

0.5 MB
6. Circular no 2 of 2026 regarding Aadhaar face authentication onboarding audit checklist version 2.0 for requesting entities

3 Mar 2026

Document Type: pdf

0.2 MB
7. Circular 1 of 2026 regarding Implementation of Unique Identifiers for Aadhaar-based Authentication Transactions.

6 Feb 2026

Document Type: pdf

2.4 MB
8. Pre-Onboarding AUA/ KUA Checklist

21 Jan 2026

Document Type: pdf

0.3 MB
9. Circular 15 of 2025 dated 08.12.2025 regarding revision of fees wef Nov 2025

26 Dec 2025

Document Type: pdf

0.1 MB
10. Revised Supplementary Agreement as per Circular 12 of 2025 dtd 24.10.2025 .

7 Nov 2025

Document Type: docx

32.3 KB
11. Circular No. 14 of 2025 - Revised Guidelines for ADV HSM Authentication Application Hosting.

7 Nov 2025

Document Type: pdf

5.8 MB
12. Circular 13 of 2025 dated 03.11.2025 Guidelines on publishing Gazette notification, under provision of section 7 of the Aadhaar.

6 Nov 2025

Document Type: pdf

21.8 MB
13. Aadhaar (Sharing of Information) First Amendment Regulations, 2025.

29 Oct 2025

Document Type: pdf

0.6 MB
14. Aadhaar (Payment of Fees for Performance of Authentication) Amendment Regulations, 2025.

29 Oct 2025

Document Type: pdf

0.6 MB
15. Updated Aadhaar Authentication for Good Governance Rules 2020

29 Oct 2025

Document Type: pdf

1.1 MB
16. Circular 11 of 2025 dated 14.10.2025 regarding Extension of Authentication Service Agency facilities to other requesting entities.

29 Oct 2025

Document Type: pdf

1 MB
17. Circular 12 of 2025 dated 24.10.2025 regarding Execution of Supplementary Agreement or Agreement to supplement AUA Agreement under sub-regulation (3A) of regulation 9 of the Aadhaar (Authentication and Offline Verification) Regulations, 2021.

29 Oct 2025

Document Type: pdf

8.4 MB
18. Introduction of L1 Compliant Iris Authentication Registered Devices in Aadhaar Authentication Ecosystem.

22 Sep 2025

Document Type: pdf

1 MB
19. Circular 10 of 2025 dated 1.8.2025 regarding Framework for onboarding of State Co-operative (StCBs) and district Co-operative Banks(DCCBs) in Aadhaar authentication ecosystem.

11 Aug 2025

Document Type: pdf

2.8 MB
20. Circular 9 of 2025 dated 31.7.2025 API document for Aadhaar status notification framework Documentation.

11 Aug 2025

Document Type: pdf

1.6 MB