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How to register mobile number with Aadhaar card?

It’s a good idea to register a mobile number with an Aadhaar card. Many of the services offered through Aadhaar require an OTP-based authentication which happens through your registered mobile number. If you do not register a mobile number, you will not be able to do these transactions. Here’s how you can register a mobile number with Aadhaar.

How to register mobile number with Aadhaar card offline?

Step 1:   Visit your nearest enrolment centre

Step 2: Fill the Aadhaar update/correction form or download it from the UIDAI website: https://www.uidai.gov.in/

Step 3:   Submit the form with a copy of either PAN card or passport or Voter ID

Step 4:   The enrolment officer will do a biometric scan of your fingerprint and iris

Step 5:   Your passport size photograph too will be taken by the office

Step 6:   The enrolment officer will provide you with an acknowledgement slip

Step 7:   Your mobile number will be registered with your Aadhaar card within 5-10 days

Step 8:   The fee for registering your mobile number with Aadhaar card is Rs 30

Why should you register your mobile number with Aadhaar card?

  • - When you use services enabled through Aadhaar, you receive OTPs on your registered mobile number. The mobile number acts as        
      second-layer of security and authentication. You cannot access many of the Aadhaar-enabled facilities if your mobile number is not
      registered with the Aadhaar card.
  • - You can download the mAadhaar app only if your mobile number is registered. With the mAadhaar app, you can avail of several facilities on the go

FAQs about registering mobile number with your Aadhaar card:

  •   1) Can I register multiple mobile numbers with Aadhaar card?
          No, you can register only one mobile number with your Aadhaar card. Nevertheless, the same mobile number can be registered with
          multiple Aadhaar cards.


  •   2) Do I need to link my mobile number with Aadhaar card once registered?
          It’s not mandatory, but you could link your mobile number to Aadhaar through your telecom operator.


  •   3) How long does it take to update my mobile number?
          It could take up to 90 days for the process to be completed.


  •   4) Is it possible to register my mobile number with Aadhaar online?
          No. You have to visit the nearest enrolment centre to register your mobile number.


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