– Visit the the official website of the Income Tax Department: incometax.gov.in.
– Click on 'Link Aadhaar' on the homepage.
– Enter your PAN details, Aadhaar number, name as per Aadhaar, and mobile number.
– Click on the check boxes and click on 'Link Aadhaar'.
– You will receive an OTP on the registered mobile number.
– Enter the OTP and click on 'validate'.