Step 1:
Visit the Aadhar Enrolment/Update Centre.
Step 2:
Fill the Aadhar Update Form.
Step 3:
Enter your current mobile number in the form.
Step 6:
Your request will be registered by the executive at the Aadhar Enrolment/Update centre.
Step 7:
Now, you will receive an acknowledgement slip containing the URN.
Step 8:
You will have to pay a fee of Rs. 50 for availing this service.