Software Engineering

You have some chances of getting this college. Try JEE college predictor to get more information and insight about college which you can get on the basis of your rank-
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=connect&utm_medium=CR_JEECP&utm_campaign=4067795.

Yes, it is a good career. The justification for this answer lies in the fact that the most growing industry in the world has been computers and internet based business as well. Hence, software engineering is a good career if you join a really good college and learn real software development.

You can choose CS or IT in the undergraduate programme and then software engineering in post-graduation as well as in doctorate programme. It is your choice as what interests you like in hacking, networking, programming language, programme design, etc. All are good as well as scope in future. Just put the extra effort and do hard work then you have a better job and future.

There is not any bond restriction on learning any languages. You can learn freely.
Regards.

For a GRE score of 325+ I would say that you could try the following UC campuses :-
UCLA
UC Irwine
UC San Diego
For a GRE score of 330+, you can try top 20 universities some of which are:-
MIT
Stanford
Pennsylvenia
UC Berkeley
Georgia Tech
CMU
For a decent GRE score, anything with 300 and above you can try the following:-
University of Southern California State University (all campuses)
San Jose State University
UT Dallas
University of Florida.