Engineering Entrance Exam

As per the information available on SNU Chennai website, The selection process comprises the 12th marks, written test and Interview. So JEE Main scores is not necessary here for admission in B.Tech CSE (IOT) and B. Tech (AI&ML).
Selection Process : Students will be shortlisted based on the 12th Stand

The best place for you is Chandigarh University, you should apply for Chandigarh university and you will get good scholarship based on JEE main rank. Chandigarh University believes in uplifting the education standards and qualifications of students of the nation. There are various scholarships Provi

Around 8 Lacs something students participated in GATE 2021.

The Truth about CUSAT CAT exam fir Engineering is that you will get only your rank details, marks will not be published. So there is no available data that will Give a clear picture on Mark vs Rank.

You can check your expected rank through below given KCET rank predicator KCET RANK PREDICATOR
Once you get it, you can check what all colleges you can get through below given college PREDICATOR
KCET College Predictor.

The following College can be the good option for you.
1. Sinhgad Institute of Technology, Pune
2. Shivaji University, Kolhapur
3. Guru Nanak Institute of Engineering and Technology, Nagpur
4. JD College of Engineering and Management, Nagpur
5. P. E. S. College of Engineering, Aurangabad
6. Aurangabad Col

Solve previous years papers, you can focus on concepts asked in the last 5 years, with just this you can SEE a significant increase in your percentile. All the best.