Bachelor of Medicine, Bachelor of Surgery [MBBS] From GMCH, Chandigarh

Based on the opinions within the medical community, I will provide some information on these colleges-

1. GSMC- It is a highly renowned college. High rankers in UG and PG entrance choose it for pursuing their medical studies. Clinical teaching is very good over here. 
2. Grant Medical College Mumbai- It is one of the top 10 medical colleges of India. But its fees have skyrocketed recently. The campus is not in a good shape too. However, this college is one of the only 5 colleges whose degrees are approved in Singapore. So if you plan to pursue your PG abroad, a degree from GMC Mumbai will open the doors of Singapore for you.
3. KGMU- It is one of the best medical colleges in North India, and especially UP. It is well reputed, and the campus is really good. The infrastructure is top notch, better than most government colleges. The teachers are decent, and the students are hardworking. You’ll get a good clinical exposure over here. For an outsider though, adjusting to the UP culture might be a little difficult at first.

I don’t know much about GMC Patiala and GMCH Chandigarh, so I won’t comment on these two. 

Make sure to choose a college with hardworking students. Good company will motivate you to study harder and excel in your field. Food and language barriers aren’t much of a problem in the long run.