Visit the official National Voter Service Portal: https://voters.eci.gov.in/
Sign in or create an account using your mobile number
Go to the option for linking Aadhaar with voter ID
Enter your EPIC number and Aadhaar number
Verify the details with the OTP sent to your registered mobile number
Submit the request
Alternatively, use Form 6B on the NVSP portal to provide Aadhaar details
You can also contact your Booth Level Officer or election office for assistance
Check the status of your request on the portal after submission