Although you dont have many colleges and are stuck with limited options, i would say you use the link given below

TNEA College Predictor 2019 enables students to predict chances of getting admission in the college of their choice. TNEA College Predictor 2019 uses an advanced algorithm and opening & closing ranks of last year's TNEA Exam counselling data to predict the best possible college for you to pursue Engineering

https://engineering.careers360.com/tnea-college-predictor