Dear Ritweek, 

Yes, You have very goodchances to get Computer Science Engineering in Chennai Campus(i.e. Main Campus) . 

As per trends of the closing rank 

B.Tech Computer Science and Engineering

2016 10000 Max. Closing rank

2015 9000 Max. Closing rank

There are very high chances for you to get Computer Science Engineering. 

You can also check it on Careers 360 College Predictor 

Https://engineering.careers360.com/srmeee-college-predictor

HOPE IT HELPS FOR YOU.