Adhaar Card is a vital article to prove your identity with address and gain the social security schemes of the Govt. It also mandatory for financial affair such as filing tax returns and maintaining your bank account.

You will get many advantages of linking your mobile number to your Aadhaar Number. Filling income tax return can be e-verified using Aadhaar. Here an OTP will be sent to your Aadhaar linked mobile number. Updating personal details linked to your Aadhaar details online by using an OTP sent to your mobile is possible. You can download your e-Aadhaar using OTP sent to your linked mobile number.

If you’re planning to link your Aadhar number with your mobile number, there can be two situations:

1. First time linking your mobile number with Adhaar.
2. You want to update your Aadhaar data by replacing the old phone number with the new one.

For the first time: linking your mobile number to Aadhaar:

This is only be done through offline. Online process OTP (one-time-password) based i.e. the OTP is sent to the registered mobile number. So, while linking for the first time, OTP is not possible. To do this offline, Visit any nearest Aadhaar centre to get the Aadhar Update/Correction Form or download it from the UIDAI website. (Click here to download the form). Fill out the form properly; submit it to the centre and mention on the form that only mobile number is to be updated. Attach, photocopy of your Aadhaar card, Identity proof document such as PAN Card, Passport, Voter ID card along with the form. While submitting the form biometrics will be verified at the centre. Once verified, an acknowledgement slip will be provided. Generally within 5-10 working days updation is done.

Updating your mobile number online:

In order to update the mobile number through online, be sure that your old number is linked to your Aadhaar and is functional. Reason of this, is the OTP for updating would be sent to your old number. Your new number will be updated only after submitting the OTP sent on your existing number.

In the browser open the UIDAI website, click on the Update Aadhaar Details which will pass on you to the Aadhar Self-Service portal or you may directly visit the link

Enter your Aadhar number, and the Text verification captcha and click on “Send OTP”.

The OPT will be sent to your old mobile number. After entering the OTP, you’ll be redirected to another page, to update you’re your new details. Select ‘Mobile Number’ option, under ‘Select field(s) to update’,

After that submit your new mobile number that you want to update in the Aadhaar details.