Microbiology

Here is the link, you can get all details regarding BBAU:
https://www.shiksha.com/science/course/m-sc-in-food-science-and-technology-babasaheb-bhimrao-ambedkar-university-lucknow-269022

Colleges under University of Delhi-
Gargi College (W)
Shaheed Rajguru College of Applied Sciences for Women (W)
Institute of Home Economics (W)
Ram Lal Anand College
Bhaskaracharya College of Applied Sciences
Swami Shradhanand College (W): Girls/ Women College.

Yes, obviously, but you could have chosen good technology or food processing technology as you have a very good background of microbiology and chemistry. This line provides you better scope but it's okay that you are doing Diploma in nutrition as this also has a bright career. Whatever you are doing, do it with all your focus and you will come out with bright colors.
Thank you.

No, you need to start from first year again.

M.Sc Biotechnology a minimum criteria of eligibility, aspiring candidates are needed to have attained a Bachelor's degree in any of Physics, Biological Sciences.

Can you please tell me what do you mean by suitable?