Grievances and Inquiries can be made on the following numbers,

You must have your Enrollment number or Aadhaar number with you for reference.

 

Aadhaar Card Call Center 1800 300 1947
Fax 080233531947
Letters PO Box 1947,GPO Bangalore-560001.
Email [email protected]

UIDAI Head Quarter

Unique Identification Authority of India

Planning Commission, Government of India (GoI)

3rd Floor, Tower II, Jeevan Bharati Building,

Connaught Circus,

New Delhi – 110001

list of Regional Head Quarter can be obtained by visiting the link http://uidai.gov.in/regional-offices.html .