B.Tech

Do you want to pursue marine engineering, or even engineering at all? Ask yourself, because if you're not genuinely interested in the course, doing it for the scope or the money will never help you.

Unless you're not sure about what to do, go for it, because engineering can be really frustrating if you don't want to go for it or are not sure, in the first place. You can't really end up liking engineering.

Computer science has the best career scope in engineering. Jobs are easily available, and you could also go for higher studies. Electronics is there too but it's a tough course to study.

Hello Alok,
As per your rank, you will not get any good college. However, for more insights check here:
https://www.shiksha.com/b-tech/resources/wbjee-college-predictor

You can do M.Tech in robotics but that depends on your interest. Being from CSE background is a plus point for you. It requires knowledge of both software and hardware. Since robotics is a specialised field it requires passion, patience and hard work. If Robotics is your passion then go for it.
But c

https://www.shiksha.com/b-tech/colleges/b-tech-in-computer-science-engineering-colleges-pune
Please click on the above link to get a list of good B.Tech in computer science colleges in Pune. Choose the best college for you by comparing the colleges with:
https://www.shiksha.com/resources/college-comp

DSU is one of the best universities in Bangalore. It is good in terms of placement.