Which course should I prefer in MBA? I have a mechanical degree from Dr. D. Y. Patil College, Talegao. I want to do PG in mgmt. field.

It's good to hear that you intend to pursue PG in management. The choice for PG would depend a lot on your interest areas, personality traits and career aspirations. In case sales interests you then you could pursue marketing. In case finance interests your then you could pursue finance. If back off

As you have graduation in mechanical stream, supply chain and operations are good options for you. You can look for NICMAR-Pune, NITIE-Mumbai, SIOM-Nashik. You can look for other streams depending on your field of interest.