After B.S. from IISc, should I go abroad for M.S. and PhD or do the same in IISC? What government jobs in India can I get after my PhD?

HiPratyasha,
Thank you for asking

IISc. is one of the most prominent place to go for research career. You can also opt for MS and PhD programme from their as well or look for research from some elite university in abroad.

Coming to your next question
There are lots of career opportunity in India when you go for your choice.

Hope the answer of the question