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- Aadhaar Lock and Unlock Service
- Aadhaar Services on SMS
- Aadhaar Enrolment and Update Charges
- Enrolment and Update Forms
- Aadhaar Enrolment and Update Charges
- Validity of downloaded Aadhaar (e-Aadhaar) as Proof of Identity Doc Type: PDF Size: 0.1MB
- New eAadhaar Doc Type: PDF Size:0.2 MB
- Handbooks Doc Type: PDF Size: 35MB
- List of Acceptable Document for Aadhaar Enrolment and Update Doc Type: PDF Size: 1.6MB
- Application by ANH for omission of Aadhaar Number on attaining the Age of 18 Years: PDF: 0.2MB
- About UIDAI
- Ecosystem
- 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
- Annual Training Calendar 2025-26
- Annual Training Calendar 2026-27 (PDF, 5.4 MB)
- Media & Resources
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Ecosystem
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Authentication Devices & Documents
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Authentication Documents
- Circular 4 of 2026 regarding migration from SHA-1 to SHA-2 (SHA-256) for Digital Signing in Aadhaar Authentication Ecosystem
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To Collaborate, email to us:
collaborate[at]uidai[dot]net[dot]in
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