M.Sc

Yes, you are on the right track Komal. Join for PhD after you complete your M.Sc. in Physics. During your PhD try to contact the large organizations who often also involve PhD candidates for their ongoing research work. You also have a good option to try in ISRO as a Scientist. Go get it.God luck.

Yes, you can pursue M.Sc in forestry.

Mba should be better option for commercial and procurement roles. Mba in operation and supply chain will be best suitable to your area of interest. Ximb Bhubaneswar is best for the same.

It depends upon your knowledge and understanding of the subjects. If you have understanding of subject than you can do better research in that field. Every subjects have good scope as the chemicals in day to day life used in large quantities and we want to replace some inorganic product with organic to reduce pollution.