Health & Nutrition

If you have done in organic chemistry, then you're eligible to get admission.

Please specify where do you wish to apply as every college follows a different schedule for admission.

PG Diploma in Clinical Nutrition & Dietetics is a 2-year postgraduate degree programme, the minimum eligibility is Bachelors degree from a recognized college or its equivalent exam. Admission to PG Diploma in Clinical Nutrition & Dietetics is based upon the premise of applicants performance in a relevant entrance exam, and subsequent round of counseling.

Please specify the college name in which you want to apply.

Check out there official site. They have a list of requirements and find if you have one.
http://www.pondiuni.edu.in/department/department-food-science-and-technology

In India-
National Institute of Nutrition, Hyderabad
University of Mysore
Institute of Home Economics, University of Delhi
University of Madras
University of Bombay
Osmania University
GB Pant University of Agriculture and Technology
Aboard-
The University of Sydney (Australia)
Coventry University (UK).

Well, according to the eligibility criteria, you should have secured 50% marks in aggregate in order to be eligible for the entrance exam.

Graduates who have secured a minimum of 50% marks in the aggregate of all subjects are eligible.