Aadhar Card

The Unique Identification Authority of India (UIDAI) is a statutory authority and a government department, established on 12 July 2016 by the Government of India under the jurisdiction of the Ministry of Electronics and Information Technology, following the provisions of the Aadhaar Act 2016.The UIDAI is mandated to assign a 12-digit unique identification (UID) number (termed “Aadhaar”) to all the residents of India.

  • An Aadhaar card carries the following information:
    1. Demographic information
      • Name
      • Date of birth/age
      • Address
      • EID- the enrolment number
      • Barcode
    2. Biometric information
      • Photograph
      • Iris scan (both eyes)
      • Fingerprints (all ten)
  • Find Information About Aadhaar Enrolment CentresApplicants can find information on Aadhaar Enrolment Centres as well as Permanent Enrolment Centres on the UIDAI website, which lists current enrolment centres by state and city. A detailed guide on how to find existing Aadhaar Enrolment Centres can be found here.
  • How to update Aadhaar details online?If your Aadhaar details have errors or you wish to change information after you have submitted your application, you can update are correct this information online by visiting the UIDAI website. Both demographic data as well as biometric information can be updated.Find a step-by-step guide on the process to update Aadhaar details online.
  • How to Add Your Mobile Number To Aadhaar CardAdding your mobile number to Aadhaar card is important as availing Aadhaar services and making changes/updating details in your Aadhaar card requires two-factor authorisation, with an OTP being sent to your registered mobile number.In order to add your mobile number, you will have to visit a Permanent Aadhaar Centre and submit an application to add the same to your card.Find a guide on how to update mobile number in Aadhaar.
  • eAadhaarThe eAadhaar is an electronic copy of your Aadhaar card and can be used in lieu of a physical copy of the card. It is accepted universally and can be downloaded from the UIDAI website. The eAadhaar is saved in a PDF format and is password protected. You can also choose to download a masked copy of your Aadhaar, which will hide your Aadhaar number.
  • mAadhaarWith a view to making the Aadhaar card and its allied services more universally available, the UIDAI has released mAadhaar which is a mobile application for Android devices. The app contains the user’s Aadhaar information in a digitised form and enables accessibility on the go.Users can add up to 3 profiles on their app and perform a wide variety of services such as locking their biometrics and access their e-KYC for Aadhaar. Find a more comprehensive guide to the mAadhaar app, including linking your mobile number.
  • Aadhaar Enrolment CentresTo facilitate seamless and efficient applications, the UIDAI has set up Aadhaar Enrolment Centres as well as Permanent Enrolment Centres across the country, with many located in major cities such as Mumbai, Delhi, Chennai Hyderabad, Bangalore, etc. Applicants can find active centres close to their area of residence by visiting the UIDAI website.
Aadhar card


  1. Verify Aadhaar NumberApplicants can verify if their Aadhaar card is active or has been deactivated as follows:
    • Visit the UIDAI website and click on the ‘My Aadhaar’ tab.
    • Click on the ‘Verify Aadhaar Number’ tab and enter your Aadhaar number along with the security CAPTCHA.
    • The current status of your Aadhaar card will appear on screen.Find a comprehensive guide to Verify Aadhaar Number
  2. Verify mobile number or email registered with Aadhaar:Providing an email address and mobile number when applying for an Aadhaar card is advisable as it makes getting updates on services easier. As an applicant, you can also receive notifications on additional features or information pertaining to your Aadhaar remotely. Follow the steps listed here to verify the mobile number or email address registered with your Aadhaar.
  3. Retrieve your Aadhaar number:If you have misplaced or lost your Aadhaar card, UIDAI has simplified the retrieval process. You can retrieve your Aadhaar card, VID or EID electronically by following the steps listed here.It is important to note that retrieval of Aadhaar information requires you to have a registered mobile number.
  4. Check status of Aadhaar linking:To avail most government subsidies and schemes, applicants have to link their Aadhaar card to their bank account for disbursement of the subsidy. You can check the current status of the linking process as listed below:
    • On the official UIDAI website, navigate to the ‘My Aadhaar’ tab and select the ‘Aadhaar Services’ tab.
    • Enter your Aadhaar/ VID number and the security code.
    • An OTP will be generated and sent to your registered mobile number, and the current linking status will be displayed on screen.Find a detailed guide on Link Aadhaar with Bank Account
  5. Generate Virtual ID (VID):To ensure data protection and safeguard the information provided under Aadhaar, the UIDAI initiated the VID. This offers limited KYC (Know Your Customer) access to vendors/merchants seeking Aadhaar information for various services.
  6. Lock/Unlock your biometrics:Your Aadhaar card contains both demographic as well as biometric data, which is used to authenticate your identity when availing various services. When sharing your Aadhaar information with a vendor/merchant for verification, there is a chance of misuse. In order to maintain the security of this data, the UIDAI permits Aadhaar card holders to lock access to their biometric information. This can be unlocked at the card holder’s discretion.
  7. Check authentication history:Each time you provide your Aadhaar card for any purpose, the details of the Authorised User Agencies (AUA) accessing this information is logged in the Aadhaar system. You can check your authentication history which lists the AUA and the information they have accessed. This process enables you to verify who has accessed your Aadhaar data. This feature is especially helpful when it comes to managing the security of your information.Find a guide on how to check your authentication history.
  8. Offline verification of Aadhaar:Aadhar paperless e-KYC is a sharable and secure document that can be used for offline verification of Aadhar identification. As an Aadhaar cardholder, you can share proof of identity and address information in a secure, tamper-proof format to vendors/service providers.Generating the Aadhaar Paperless Offline e-KYC can be done as follows:
    • Visit the UIDAI website and click on the ‘My Services’ tab.
    • Click on the ‘Aadhaar Paperless Offline e-KYC’ under the ‘Aadhaar Services’ tab.
    • Enter your Aadhaar number and the security code, after which you will receive an OTP on your registered mobile number.
    • After the OTP has been successfully verified, a downloadable XML file will be available.