Hello Nithya Priya,

Hope you are safe and doing good!!

TNEA 2020 contact detail:

TNEA Helpline Phone Number: 044–22351018

TNEA Helpline Email Id: tae_dte@yahoo.co.in

TNEA Official Website: https://www.tneaonline.org/

You may check the official website for further details.

You may also check the e-book link given below,to get more details

https://engineering.careers360.com/download/ebooks/all-about-tnea

Hope that helps!!

Good luck!!!