National Institute of Technology, Durgapur (NIT D)

Firstly, you have to appear for the entrance exam JEE mains and after clearing mains stage you had to appear in JEE advanced stage.
For NIT, you must score below 5000 rank. If you belong to general category. If you are from reserved category, then cut off for reserved category is different from general category cut off.

Yes, NIT Durgapur has very good placement.Last year for CSE Branch, average salary was around INR 8 LPA.

Dear Sakit,
Definitely, Biotechnology is best stream in India next to chemistry in life sciences. If you're determined and dedicate yourself to it. Career options after Biotech is in huge range. You can employ in Top fortune companies in India as Research associate, Project coordinator, Research trainee, as an entry level job and so on. You're blessed to get admission in NIT don't ignore it. All the Best for your future.

Kindly visit this link:
https://www.google.co.in/url?sa=t&source=web&rct=j&url=https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor&ved=2ahUKEwjAu47I1_3bAhWHsY8KHZKxCSQQFjAAegQIARAB&usg=AOvVaw1N9BzFtyUCP4JU-2UQHQ0H

I think, NIT, Kurukshetra is better than NIT, Durgapur in almost every parameter. With this rank, you have a chance of getting NIT, Kurukshetra college.

NIT Rourkela is far better than NIT Durgapur, in terms of Campus, infrastructure and placements. So, choose the best.

As per the latest 2018 NIRF-MHRD ranking of engineering colleges in India these institutes are ranked as:-
NIT, Durgapur- 47.
NIT, Silchar- 57.
NIT, Hamirpur- 64.
Best of luck.

NIT, Durgapur is better than NIT, Hamirpur in all perspective. Both are good but location wise Durgapur is best. Also NIT Durgapur has better placement record.

I think NIT durgapur is better than NIT Patna.

As per the latest MHRD -NIRF ranking of engineering colleges of India the ranks of the colleges are-
NIT Kurukshetra- 43
NIT Durgapur- 47
NIT Calicut- 50
Best of luck!