B.Sc

Yes, you can open a retail pharmacy. Good luck.

Khalsa College Amritsar de vicho, M.Sc. Admission entrance ate merit de base ton hone chain. Jide vich graduation level ton minimum passing marks 50% hone chahide hun. Iskarke tuvada admission nahi ho sakda hai. Vadh jankaari lai tusi college da prospectus dekh sake ho. http://khalsacollege.edu.in/F

https://www.rajagiri.edu/
Refer this.

I don't think studying at an open school would do your dreams a great lot good. It would be better to study in a regular college.

There's scope but admission cannot be guaranteed at all the colleges. Do some research.

Almost all banks gives out loans to eligible candidates. Now would be a great time to apply for a loan as banks are under immense pressure from government to process loans and increase consumer spending.

There are so many university (government as well as private) which provides this course.

If you want to explore more in this field then go for Masters otherwise prepare for exams.

Yes, of course you can apply for the course.

Yes, write the NCHMCT. There are IHMs that suit students who wish to study at IHM ( veg).