Greetings dear aspirant

The cut-off trends keeps changing every year and it depends on the number of students attempting the exam, difficulty level, number of available seats, etc. The cutoff for Cochin University of Science and Technology, Ernakulam (CUSAT) for General Category in the year 2016 was as follows:

Mechanical Engineering - 1494

Computer Science Engineering - 2388

Electronics and Communication Engineering - 2893

Civil Engineering - 3165

You can get an idea about the cutoff for various branches in CUSAT, Ernakulam. We cannot predict the rank vs. marks as the cutoff changes every year. With the previous year statistics, you can just have an idea. To know the exact cutoff and closing ranks this year, you have to participate in the counseling process.

https://engineering.careers360.com/articles/cusat-cat-cutoff

You can have a detailed glance at the cut-off trends of previous few years from the above link.

Hope I've cleared all your doubts!!

All the best for your future career