Head Office
At the Head Office of the Unique Identification Authority of India (UIDIA), the CEO is supported by eight Deputy Directors General (DDGs), who are Joint Secretary–level officers overseeing key functional areas. They are assisted by a structured team including ADGs, Deputy Directors, Section Officers, and support staff. With a sanctioned strength of 134, the HO ensures effective coordination, administration, and policy implementation.
UIDAI Head Office
Government of India Bangla Sahib Rd, Behind Kali Mandir, Gole Market, New Delhi - 110001
Toll Free:
1947
Reception:
011 - 23478653
Email:
help[at]uidai[dot]gov[dot]in
Content Information
Published on: 11 Apr 2026
Last Updated: 30 Jun 2026
Owner: HO
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: 11 Apr 2026
Last Updated: 30 Jun 2026
Owner: HO
