Colleges in West Bengal

Bhawanipur is better than heritage. I will suggest to go for Bhawanipur. The reason are
1. Location and transport . Metro route is there for Bhawanipur
2. Campus life is better with lots of fun
3. Study is good as well

The total fee in J. D. Birla Institute for B.Sc (Hons.) in Food Science and Nutrition Management INR 7,983.

You need to qualify NATA and JEE exam for this campus. So, it's not possible to get getting admission easily with JEE Mains exam only.

Dr. B. C. Roy Engineering College, Durgapur is a self finance college. It is affiliated with West Bengal University of Technology. The college is approved by both All India Council for Technical Education (AICTE), Directorate of Technical Education (DTE) and Department of Higher Education, government of West Bengal.

Yes, you are eligible. A candidate should have passed
B.Sc (Hons) in the respective subject.

Yes a commerce student can do bca from any colleges they doesn't require maths for getting admission in bca course all the best

No, not at all. It's a very good college and renowned first semi-private college of West Bengal.

Yes, it a very good decision.
All the best.