Hello Sahil, Comparision as follows:

KMC - It is really good college as it comes in top 10 medical colleges in India. If you are looking for admission then worth taking... clean surrounding and a better environment for study.Faculties are very friendly. The course goes timely. No delay in the exams or results.

SDU - Infrastructure is good, Faculties are supportive. For admission it is decent college not great.

So, if you are really looking for good option, you can go for KMC... All the best