Dear student.
Greetings.

You can get admission in colleges in tamil nadu through your marks of various engineering entrance exams such as jee mains. You'll be given colleges according to your marks in those entrance exams.

Thank you. All the best.

hii pavan

so you are interested to study in TN well, its not an big deal to achive it so to get seat in TN you can join with JEE marks/Ranks as well so like taking an example the best colleges like SASTRA, KARUNYA take students accros india with +2 and JEE marks as well give try but make sure you have pretty good marks.other than top colleges take with JEE as well kindly go through the below link you will find full information

https://engineering.careers360.com/colleges/ranking/2015/top-engineering-colleges-in-tamil-nadu-accepting-jee-main-score

all the best