If you are interested in Research or Academia, you may pursue M.Sc in Physics, perhaps from some of the Top Technical Institutes like IITs, IISER or IISc in India. Physics even has scope in the Public Sector with Research Organizations like CSIR, ISRO, DRDO as well as BARC.

Data Science is something which is the future of industry. If you are interested in a career in the IT and Tech Industry, you may pursue a M.Sc in Data Science followed by excellent career scope and opportunities.