Science

Absolutely! You can but you have to get admission in IISERs from any one of the channels among JEE Advance, KVPY or IISER apt. You can crack KVPY or IISER apt to get admission in IISER. Also, IISER apt is the easiest way to get admission in the college.

Hello Rakshit,
It's good to think on this field since fees in Russia are far lower than in India at least for medical.
I think you can seek education loan from bank.

Hello Sahil,
Once you take admission in 1st year of engineering after real lengthy process, it's next to impossible to shift college in second year. What is reasonably possible is to change branch in same college if seats are available.

Hello Natasha,
It's really nice to see your inclination in this rare subject. This Institute is part of TIFR and eligibility is graduation in any subject with 50% marks but candidate should have interest in this subject.
I am attaching link that will give you all required information.
https://www.ncbs.res.in/academic/admissions-eligibility