Step 2: Click ‘Link Aadhaar’ section on the left.
Step 3: Fill in the PAN number, Aadhaar number, name and the CAPTCHA.
Step 4: Click on the ‘Link Aadhaar’ option. The income tax department will validate your details, after which your PAN-Aadhaar linking will be completed.
HOW TO LINK AADHAR WITH PAN CARD BY SMS SERVICE
The format for the SMS is: Type UIDPAN (12-digit Aadhaar number), put space (10-digit PAN) and send it to 567678 or 56161.