Obviously Chengalpattu medical college. 

Chengalpattu college has the biggest campus in tamilnadu which is about 50 years old and the atmosphere of the college is also friendly. It also has the hostel facility for both boys and girls. The professors are very friendly and majority of the professors are the allumni of the institute. The support of the seniors is very good and they are very helpful. The institute has the good cafeteria also. You can get the exposure of the medical field in the college with the hospital and also the institute is highly involved in the extra curricular activities. This institute is not the bad option of your comparison.