Visit the UIDAI official website
Open the “Verify Email/Mobile Number” service
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 mobile number is not linked to Aadhaar
You can also call UIDAI helpline at 1947 for assistance
Visit an Aadhaar Enrolment or Update Centre for verification if needed