Hi Kanis, Almost every engineering college/university in Tamilnadu takes admission on the based of your jee-main ranking.if you want to know the college list then check it out given link:
https://engineering.careers360.com/colleges/ranking/2015/top-engineering-colleges-in-tamil-nadu-accepting-jee-main-score

#jee-main result declared very soon so stay connected with us:
https://engineering.careers360.com/articles/jee-main-cutoff

#using college predictor using jee-main ranking:
https://engineering.careers360.com/jee-main-college-predictor

good luck