I would suggest you to go for M.Sc in food science and technology after completing Bachelors in home science.

Also, there are many colleges available in India for the same as you have not mentioned which particular state or location you are asking for so below I am providing some of the top colleges in India -



-UNIVERSITY OF MYSORE -

-THE WOMEN'S CHRISTIAN COLLEGE - CHENNAI, TAMILNADU

-SCHOOL OF HEALTH SCIENCE - CALICUT UNIVERSITY, KERALA

-SARDAR PATEL UNIVERSITY - VALLABH VIDYANAGAR, GUJARAT

-HARIYANA AGRICULTURAL UNIVERSITY - HISSAR, HARIYANA

-CENTRAL FOOD TECHNOLOGICAL RESEARCH INSTITUTE - MYSORE

-ACHARYA N.G. RANGA AGRICULTURAL UNIVERSITY - HYDERABAD

-JADAVPUR UNIVERSITY - KOLKATA



Hope this helps!!!