M.Sc

You have to go to the respective website where you can get all the information regarding environment management courses, entrance exam and syllabus.

No, it is not mandatory to do the integrated program but you have to apply for the M.Sc. You just apply for it and don't go for the integrated courses.

M.Phil gives you a glimpse of what research is, whereas, Ph.D is all about the research on a particular subject.

For a guaranteed job in India, most important is communication or you can say English and which can secure a successful career is, undoubtedly, maths.
Good wishes.

https://www.shiksha.com/it-software/colleges/m-sc-colleges-Mumbai-all
Kindly visit this link.

Entrance question papers are available online and in the market. You can get them in the university library also

Hello,
If you are interested in pursuing M.Sc in Botany, you can apply for this course.

You can apply for admission, but your selection would depend on the management. In some cases, the college will allow you admission if they feel that your past academic record was exemplary and that you will clear your backlog or anything similar. Do try discussing with the management, on whether they will show leniency.

You can apply for M.Sc in Applied Microbiology as you have completed your B.Sc in Microbiology, you can apply for this course.