Hello student. Both the branches are totally different. integrated mathematics and biotechnology are two of different branches. So, choose the branch which you are intrested in. When it comes to colleges. NIT rourkela has higher ranking than NIT durgapur. S, I suggest you that college.

Here are the few factors to consider that college:

Infrastructure and college life:

NIT rourkela has a good infrastructure with well equipped labs and classrooms. Hostels are pretty decent and nice environment is always maintained. You can see that the campus life is going to be really well. College life is good with the right kind of atmosphere given to the students who come from different places.

Fa culty and quality of education:

All the faculties are qualified and experienced over here. And education, curriculum is made in such a way that students are made to acquire more hands on knowledge than just the theory. It is not just the books and classes. Focuses more on practical knowledge than the theoretical one. Education quality and the way guidance is given is really good.

Placements:

Placements are  good as good companies visit this college. students gets placed and opportunities of internship is provided to the students from companie