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.
Implementation of Virtual ID and UID Token and Limited e-KYC, dated 29th June 2018

Authentication Documents

Doc Type:PDFSize:88.49 KBUploaded On:11-12-2019

Use of Virtual ID and UID Token in lieu of Aadhaar number and Limited e-KYC by AUAs classified as Local AUAs - Gazette Notification

Authentication Documents

Doc Type:PDFSize:1.77 MBUploaded On:04-12-2019

Aadhaar OTP Request API 2.5

Authentication Documents

Doc Type:PDFSize:1.25 MBUploaded On:13-11-2019

Circular for Implementation of Virtual ID, UID Token and Limited KYC

Authentication Documents

Doc Type:PDFSize:738.49 KBUploaded On:09-01-2018

Whitelisting of Aadhaar based applications developed by AUAs , KUAs and Sub-AUAs

Authentication Documents

Doc Type:PDFSize:876.36 KBUploaded On:28-09-2017

Circular of reminder for submission of Bank Guarentee and Licence fee

Authentication Documents

Doc Type:PDFSize:658.56 KBUploaded On:30-08-2017

Circular for Implementation of Registered Devices Services

Authentication Documents

Doc Type:PDFSize:513.4 KBUploaded On:23-08-2017

Circular for clarification of LF/BG of AUA/KUA and ASA

Authentication Documents

Doc Type:PDFSize:977.59 KBUploaded On:10-08-2017

Circular on Aadhaar Data Vault Implementation by AUA/KUA

Authentication Documents

Doc Type:PDFSize:1.4 MBUploaded On:27-07-2017

Implementation of HSM by AUA/KUA/ASA

Authentication Documents

Doc Type:PDFSize:874.2 KBUploaded On:14-07-2017

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