Hey Surya,

In India majority of the companies are generic industries and very few companies do innovations and research on drugs. So, there are very limited chance to get into these sectors but the only or the best way to get into these sectors you must have M.Pharm or Chemical Engineering degree is a must to enter Industry and coming to various specializations. So by this, you can go to R&D, analysis, testing, production, hospitals, etc. 

hope that helps

all the best