Visit the UIDAI website
Click on “Verify Email/Mobile Number”
Enter your Aadhaar number
Enter the mobile number you want to check
Enter the captcha code
Click on “Send OTP”
If the mobile number is linked, you will receive an OTP
If no OTP is received, the mobile number is not linked or is incorrect
You can also visit an Aadhaar Enrolment/Update Center to check or update the mobile number
Carry your Aadhaar card and valid ID proof if required