Visit the UIDAI website
Go to the “Verify Email/Mobile Number” option
Enter your Aadhaar number
Enter the mobile number you want to check
Enter the captcha code
Click on “Send OTP”
If the number is linked, you will receive an OTP on that mobile number
If no OTP is received, the number is not linked to Aadhaar
You can also call UIDAI helpline 1947 for assistance
Visit an Aadhaar Enrolment/Update Center for verification if needed