Is there any diploma course of nutrition and dietetics. And interior design or something?
Yes, there is a different diploma course for nutrition & dietetics known as " Post graduate Diploma in Clinical Nutrition & Dietetics ". The course is for 2 years and anyone who's graduate is eligible to pursue this course.
For interior design also there are different diploma courses offered by different institues. A few of them are listed below. (Minimum eligibility for this is 10+2)
*Hamstech institue of creative education, Hyderabad
*JD institue of Fashion Technology, Mumbai