Science

IIT Bombay is best for M.Sc. Physics.

First you need to do M.Sc. Then only can go for Ph.D.

With 69 percentage it will be hard to get government colleges especially central university but you can try for state government colleges or private colleges.

Every branch has its own usefulness but it all depends on your interest. If you have not decided which field you want to pursue then you should go for plain or normal M.Sc. Programme so that you can explore various fields.

Dear Manish, The following are the best courses after 12th commerce with mathematics other than BCA:
B.Sc (IT)
B.Sc (Computer Science)

Dear Ragula, Unfortunately, M.Sc. Biochemistry is not offered by Government city college but you can choose M.Sc. Biotechnology and it is available there.

Dear Thasneem,
Please go through this link and download the pdf file with latest update notification
https://www.shiksha.com/college/jipmer-puducherry-jawaharlal-institute-of-postgraduate-medical-education-and-research-pondicherry-55637/cutoff

Dear Khushi, The admission to B.Sc. Nursing is both through entrance examination and through 10+2 merit depending upon the institute you wish to apply. Fees also varied from 50k to 4lacs according to government or private institute.

Dear Samiksha, SEE M.Sc. Zoology is a non-professional course so placement chances are not so bright no matter which institute you are opting unless its some foreign University/Institute. IIPS is a private organisation
Please check out the below link to get all the details about IIPS Lucknow
https://www.shiksha.com/college/indian-institute-of-professional-studies-Lucknow-22000/placement.