Nagpur

Approximately 300 marks will be sufficient for getting a good college.
Here is a link you can go through, it will be helpful.
https://www.shiksha.com/nursing/course/bsc-in-nursing-government-medical-college-nagpur-191849
Best of luck.

This is a very vague question as you need to look out for internships yourself. There is no portal which will inform you about the internships. It is better if you reach out the companies yourself and find a good internship.

No, you can't get seat, because the required marks to get a seat is more than 90.

See, in some of the government colleges, it may be possible but in the private colleges, there is nothing like that.

You need to fulfill the eligibility as below:
Eligibility, Qualification: Graduation
Additional Details
Mandatory Courses: B.Sc ( Agriculture) , BE / B.Tech, BCA, BA, M.Sc (Agriculture) , ME/M.Tech, MCA, MA.
Candidate must have 50% marks in graduation and 55% marks in Post-Graduation in one of the following:
B.Sc/B.Sc(Ag.)/ B.Tech/BE/ BCA/ BA with Geography or Mathematics or Statistics, as one of the subjects M.Sc/M.Sc (Ag.), M.Tech/ ME/ MCA/MA in Geography/ Mathematics/ Statistics.
Entrance Exam: BHU UET.

Eligibility criteria is as follows - (For BE in Fire Engineering)
Age limit - between 19 to 24
10 + 2 Examination (with PCM and Its equivalent examination).

BBA is not offered at Dr. Ambedkar College.