Hello aspirant,

YES, you can apply for PG advance Diploma in Nutrition and dietetics in St. Francis College for women after completing your Bsc in Microbiology if you meet the eligibility criteria, which says;

The eligibility for admission to the P. G. Diploma Course in Nutrition and Dietetics shall be Bachelor of Food Technology and Management (BFTM), B.Sc. Food Technology and Management, B.Sc. in Home Science with specialization in Foods and Nutrition, B.Sc. Home Science (General), B. Sc. Food Science and Quality Control, B.Sc. Biochemistry, B.Sc. Chemistry, B.Sc. Microbiology, B.Sc. Biomedical Sciences, B.Sc. Biotechnology and B.Sc. Zoology or B. Voc. Food Processing and Management (with 12th science).

Further, to know more about the nutrition and  dietetics course, you can follow the below mentioned link : https://www.careers360.com/courses/diploma-in-dietetics-and-nutrition

I hope that this will help.