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Aadhaar

Unique Identification Authority Of India

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      • Validity of downloaded Aadhaar (e-Aadhaar) as Proof of Identity Doc Type: PDF Size: 0.1MB
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      • Handbooks Doc Type: PDF Size: 35MB
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      • Application by ANH for omission of Aadhaar Number on attaining the Age of 18 Years: PDF: 0.2MB
  • About UIDAI
    • Unique Identification Authority of India
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      • Training, Testing and Certification Policy 2023 Doc Type: PDF Size: 1.1MB
      • SOP for training, testing and certification of E&U Operators
      • SOP for Training, Testing and Certification of Authentication Operators Doc Type: PDF Size: 2 MB
      • Corrigendum to Standard Operating Procedure (SOP) for training, testing and certification of Enrolment and Update (E&U) Operators. PDF,0.7 MB
      • Annual Training Calendar 2024-25
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Total: 51 results found.

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Page 3 of 3

41. What is Face Authentication?
(For Aadhaar Number Holders)
1. UIDAI uses face authentication as a process by which an Aadhaar number holder's identity can be verified. A successful face authentication confirms that your physical face which is being scanned for ...
42. What are the benefits of Aadhaar authentication?
(For Aadhaar Number Holders)
Aadhaar authentication provides an instant mechanism to prove your identity through online authentication. Therefore one need not carry any other ID proof except Aadhaar number.
43. Is there a mechanism to notify the Aadhaar number holders when an authentication occurs against their Aadhaar number?
(For Aadhaar Number Holders)
UIDAI notifies the authentication on the registered email of the Aadhaar number holder. Every time UIDAI receives a biometric or OTP based authentication request against an Aadhaar number, a notification ...
44. I received an authentication notification even though I did not authenticate myself. Whom do I approach?
(For Aadhaar Number Holders)
UIDAI contact information, call centre number and e-mail Id are provided in the UIDAI’s notification email. You may contact UIDAI with the authentication details provided in the notification e-mail.
45. What if my authentication request gets rejected even though I provide my fingerprints with my Aadhaar number?
(For Aadhaar Number Holders)
If fingerprint authentication fails, Aadhaar number holders can Retry with correct placement and pressure of finger on fingerprint scanner Retry with different fingers Cleaning the fingerprint ...
46. Will I be denied my entitlements (ration, NREGA job etc.) if my authentication request is rejected?
(For Aadhaar Number Holders)
UIDAI and the service providers availing Aadhaar authentication recognize the fact that Aadhaar authentication is subject to certain technological and biometric limitations such as poor fingerprint quality, ...
47. Corrigendum for the Aadhaar (Payment of Fees for Performance of Authentication) Amendment Regulations, 2024, Notification No. HQ-13073/1/2020-AUTH.II(E), dated the 31.1.2024, published on 9.2.2024
(Regulations)
48. The Aadhaar (Authentication and Offline Verification) Amendment Regulations, 2024 published on 31.1.2024
(Regulations)
49. The Aadhaar (Payment of Fees for Performance of Authentication) Amendment Regulations, 2024 published on 31.1.2024
(Regulations)
50. Is Training, Testing and Certification (TT&C) Policy applicable for Authentication Operators?
(Training, Testing & Certification)
Yes, Training, Testing and Certification Policy is applicable for Authentication Operators. To know more, click on the below-mentioned link: https://uidai.gov.in//images/TTC_Policy_2023.pdf
51. Abhinav Pahal 2.0 : Aadhaar based Face Authentication and how it is touching lives and improving ease of living for residents.
(Video Media)
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UIDAI Head Office

Unique Identification Authority of India

Government of India (GoI)

Bangla Sahib Road, Behind Kali Mandir, Gole Market,

New Delhi - 110001

Regional Offices

UIDAI Regional Office, Hyderabad

6th Floor, East Block, Swarna Jayanthi Complex, Beside Maitrivanam, Ameerpet Hyderabad-500 038, Telangana State

UIDAI Regional Office, Hyderabad

6th Floor, East Block, Swarna Jayanthi Complex, Beside Maitrivanam, Ameerpet Hyderabad-500 038, Telangana State

UIDAI Regional Office, Guwahati

Block-V, First Floor, HOUSEFED Complex, Beltola-Basistha Road, Dispur, Guwahati - 781 006

UIDAI Regional Office, Guwahati

Block-V, First Floor, HOUSEFED Complex, Beltola-Basistha Road, Dispur, Guwahati - 781 006

UIDAI Regional Office, Ranchi

1st Floor, JIADA Central Office Building, Namkum Industrial Area,Near STPI Lowadih, Ranchi - 834 010

UIDAI Regional Office, Chandigarh

SCO 95-98, Ground and Second Floor , Sector 17- B, Chandigarh 160017

UIDAI Regional Office, Hyderabad

6th Floor, East Block, Swarna Jayanthi Complex, Beside Maitrivanam, Ameerpet Hyderabad-500 038, Telangana State

UIDAI Regional Office, Mumbai

7th Floor, MTNL Exchange, GD Somani Marg, Cuff Parade, Colaba, Mumbai - 400 005

UIDAI Regional Office, Mumbai

7th Floor, MTNL Exchange, GD Somani Marg, Cuff Parade, Colaba, Mumbai - 400 005

UIDAI Regional Office, Delhi

Ground Floor, Supreme Court Metro Station, Pragati Maidan, New Delhi-110001

UIDAI Regional Office, Mumbai

7th Floor, MTNL Exchange, GD Somani Marg, Cuff Parade, Colaba, Mumbai - 400 005

UIDAI Regional Office, Mumbai

7th Floor, MTNL Exchange, GD Somani Marg, Cuff Parade, Colaba, Mumbai - 400 005

UIDAI Regional Office, Chandigarh

SCO 95-98, Ground and Second Floor , Sector 17- B, Chandigarh 160017

UIDAI Regional Office, Chandigarh

SCO 95-98, Ground and Second Floor , Sector 17- B, Chandigarh 160017

UIDAI Regional Office, Chandigarh

SCO 95-98, Ground and Second Floor , Sector 17- B, Chandigarh 160017

UIDAI Regional Office, Ranchi

1st Floor, JIADA Central Office Building, Namkum Industrial Area,Near STPI Lowadih, Ranchi - 834 010

UIDAI Regional Office, Bengaluru

Khanija Bhavan, No. 49, 3rd Floor, South Wing Race Course Road, Bengaluru - 560001

UIDAI Regional Office, Bengaluru

Khanija Bhavan, No. 49, 3rd Floor, South Wing Race Course Road, Bengaluru - 560001

UIDAI Regional Office, Bengaluru

Khanija Bhavan, No. 49, 3rd Floor, South Wing Race Course Road, Bengaluru - 560001

UIDAI Regional Office, Delhi

Ground Floor, Supreme Court Metro Station, Pragati Maidan, New Delhi-110001

UIDAI Regional Office, Mumbai

7th Floor, MTNL Exchange, GD Somani Marg, Cuff Parade, Colaba, Mumbai - 400 005

UIDAI Regional Office, Guwahati

Block-V, First Floor, HOUSEFED Complex, Beltola-Basistha Road, Dispur, Guwahati - 781 006

UIDAI Regional Office, Guwahati

Block-V, First Floor, HOUSEFED Complex, Beltola-Basistha Road, Dispur, Guwahati - 781 006

UIDAI Regional Office, Guwahati

Block-V, First Floor, HOUSEFED Complex, Beltola-Basistha Road, Dispur, Guwahati - 781 006

UIDAI Regional Office, Guwahati

Block-V, First Floor, HOUSEFED Complex, Beltola-Basistha Road, Dispur, Guwahati - 781 006

UIDAI Regional Office, Hyderabad

6th Floor, East Block, Swarna Jayanthi Complex, Beside Maitrivanam, Ameerpet Hyderabad-500 038, Telangana State

UIDAI Regional Office, Bengaluru

Khanija Bhavan, No. 49, 3rd Floor, South Wing Race Course Road, Bengaluru - 560001

UIDAI Regional Office, Chandigarh

SCO 95-98, Ground and Second Floor , Sector 17- B, Chandigarh 160017

UIDAI Regional Office, Delhi

Ground Floor, Supreme Court Metro Station, Pragati Maidan, New Delhi-110001

UIDAI Regional Office, Guwahati

Block-V, First Floor, HOUSEFED Complex, Beltola-Basistha Road, Dispur, Guwahati - 781 006

UIDAI Regional Office, Bengaluru

Khanija Bhavan, No. 49, 3rd Floor, South Wing Race Course Road, Bengaluru - 560001

UIDAI Regional Office, Hyderabad

6th Floor, East Block, Swarna Jayanthi Complex, Beside Maitrivanam, Ameerpet Hyderabad-500 038, Telangana State

UIDAI Regional Office, Guwahati

Block-V, First Floor, HOUSEFED Complex, Beltola-Basistha Road, Dispur, Guwahati - 781 006

UIDAI Regional Office, Lucknow

3rd Floor, Uttar Pradesh Samaj Kalyan Nirman Nigam Building, TC-46/ V,Vibhuti Khand, Gomti Nagar, Lucknow- 226 010

UIDAI Regional Office, Delhi

Ground Floor, Supreme Court Metro Station, Pragati Maidan, New Delhi-110001

UIDAI Regional Office, Ranchi

1st Floor, JIADA Central Office Building, Namkum Industrial Area,Near STPI Lowadih, Ranchi - 834 010

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Last reviewed and updated on: September 18, 2025

UIDAI website translation is done by Bhashini Machine Translation. This is done on experimental basis and will be improved over a period of time. Kindly ignore the errors if any.

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