After Bsc Food Technology, you may go for courses like MSc Food Technology, MSc Food Science and Nutrition, Msc Food Processing.  All these courses have a basic eligibility of BSc Food Technology/ B.Sc Food Science and Technology/ BSc in Dairy Technology/  B.Tech Food Technology or any equivalent field like Life science, Biotechnology, Microbiology, Chemistry, Biology, Home Science, etc.

I hope this helps you!