If the payment is not paid, you edit your application at any time. If the payment is done, you need go to the nearby or preferred TFC center to edit your application.

Thank you.

Hey

You can edit your application form logging into your official account .There will be an option of editing the application form .Try it.

In case its not present there you can contact TNEA 2018 OFFICIAL WEBSITE:

For any queries email to : tneaenq2018@annauniv.edu

I hope this will be useful to you.