Dear Praash, 

If you are highly interested in Chennai Campus, then you should go for Civil Engineering, Mechatronics, Aerospace Engineering, Biomedical Engineering, Biotechnology and Automobile Engineering .

You have very high chances to get these branches .

You have also good chances to get Software Engineering and Electrical and Electronics Engineering in Chennai Campus. 

You can also check it on Careers 360 College predictor 

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