How to register TAN number on INCOME TAX Website For Filing TDS Return Online?
Regarding TAN Number Registration on Income Tax Website please Follow the Steps below-

Step 1:
Open TRACES Website and Login -

Step 2:
Once you Logged in the Website, Click on - Register at E-filing Site(New).

Step 3:
Click on Redirect Button.

Step 4:
It will Be redirected on Income Tax Portal, Fill Details here, Create Password and Submit.
Hope this helps.