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.

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.

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Content Information

Published on: 21 May 2026

Last Updated: 20 Jun 2026

Owner: A & V