Hello Tejaswi!

First of all congratulations for your Board exam result.

You can definitely apply in TNEA and get admission in ANNA UNIVERSITY os SSN but for that you must score very well as the competition is very high for these colleges.

Hope that helps!

Hello.

Yes you can definitely join in those universities,but you need to get good rank according to that university.

Here are the links about TNEA 

https://engineering.careers360.com/articles/tnea/amp

https://engineering.careers360.com/articles/tnea-counselling/amp

Hope this is helpful.

Good luck.