IGNOU - Indira Gandhi National Open University

No, you can not do. As per ther eligibility criteria, the candidate should have passed 10+2 or equivalent with English as a compulsory subject.

The eligibility criteria for M.Sc Food and Nutrition of IGNOU is given below:
Educational qualifications: B.Sc Home Science with specialization in Food and Nutrition, Dietetics and Clinical Nutrition
Or
PG Diploma in Dietetics and Public Health Nutrition or its equivalent
Or
Graduate (B.Sc. Hons.) or equivalent (MBBS, BHS etc.) from any of the following backgrounds: Home Science/ Food Science and Technology, Zoology, Microbiology, Biochemistry, Pharmaceutical along with the DNHE or CNCC or CFN offered by IGNOU. (Simultaneous admission for CFN/CNCC also permitted).
So from above B.Sc paramedical students are not eligible for this course.

Hello,
A student of another University can seek admission to this programme on the basis of credits obtained by him/her from that University. A student, thus admitted need not write IGNOU examination for such courses which are found equivalent to IGNOU's courses. Hence, you can get the benefits of weave off of your first and 2nd year of courses.