B.Sc

Indian Institute of Technology (IIT) Bombay - IIT Bombay's Department of Physics is one of the best in India.
Indian Institute of Science (IISc) Bangalore.IIT Madras.
IIT Delhi.IIT Kanpur.
Tata Institute of Fundamental Research (TIFR) Mumbai.
Delhi University.
IIT Kharagpur.
These colleges are having less fees and high level of rank in terms of study.

Hi Harsa,
Yes, you can do M.Sc. Ecology and environmental Science after completing your B.Sc in genetics. There is no problem at all. Many people do so.
Best of luck.

You could do B.Sc. Psychology and get into the field.

https://www.shiksha.com/humanities-social-sciences/psychology/colleges/colleges-Vadodara
Check out the above link for details.

Hi Arjun,
Please refer to the link provided below for details regarding B.Sc in chemistry from Madras Christian College. You should be able to download the college brochure which contains details regarding eligibility for this course, admission guidelines etc.
https://www.shiksha.com/science/course/b-sc-in-chemistry-madras-christian-college-tambaram-sanatorium-chennai-110299
Good luck.

Hi Avantika,
Yes, you can apply for B.Sc in zoology with these percent marks in the 12th class. So, you should definitely apply for this course.
Good luck

Visit the link below and Find information related to cut-offs, placements, courses, fees, admissions, rankings, eligibility and reviews for B.Sc. Colleges in Bhubaneswar. https://www.shiksha.com/science/colleges/b-sc-colleges-bhubaneswar.

For admission, the entrance test is a prerequisite dear. Without writing the entrance exam, you aren't eligible for selection process itself.
However, you can apply elsewhere, maybe in a private university or so, they provide admission in B.Sc. Nursing on the basis of 12th boards marks. Also, even if they entrance test, write them. The admission process in many private university are still going on. Apply online and hope for the best.
Good luck.