Hello Chandru

Yes,you can edit your particulars in TNEA.

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 2020 OFFICIAL WEBSITE:

Email:-

For any queries you can email to care@tneaonline.org

Phone

044-22351014
044-22351015

Hope it helps

Thank you :)