Follow these steps (or) comment LINK to get the URL. Step 1: Visit the e-Filing Portal Home page and click on Link Aadhaar in Quick Links section. Alternatively, login to e-filing portal and click on Link Aadhaar in Profile section. Step 2: Enter your PAN and Aadhaar Number. Step 3: Click on Continue to Pay Through e-Pay Tax. Step 4: Enter your PAN, confirm PAN, and any mobile number to receive OTP. Step 5: Post OTP verification, you will be redirected to e-Pay Tax page. Step 6: Click on Proceed