B.Sc

Jo there is no any chance that you can get admission in bhu at this marks.

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

Yes, you can get Government College with this rank. You also have 70% chances to get colleges, like IET, CSJMU, MJPRU, Bundelkhand University, KIET.

In up may be you'll get iet and csjmu at this rank.

It is all India rank.
Probably, you will get the college in your respective courses. Go for the counselling, whenever you are called for it.

Yes, I think you will get seat in B.Sc Agriculture with below INR 7 lacs for 4 years, because your percentage in inter is very good. So, there is full chance that you get seat in your stream in South India.

I don't think, but there is 70% chances that you'll get BHU B.Sc Agriculture.

Absolutely, your selection is fixed by the Faculty of Social Science, BHU. Wait for the result declaration. In the 2nd week of June, the result will be declared.
Good luck.

Your admission will be based on your marks in PCM with one language. Every college is good in DU if you are interested in studies and giving regular time to it, but still, if you are interested, then google about top DU colleges for Maths (Hons), you will get your answer.
All the best.