Hey,
The Bachelors degree in food sciences and technology includes the scientific principles and application in food manufacturing and looking out for efficient  ways to preserve food materials.It is a vast field in itself.
If you want to go for higher studies then you must be sure of what you actually want to pursue through any higher education.If you are considering a career in corporates then go for MBA provided you are fulfilling the eligibility criteria.
If you want to go in the field of academics,then you can pursue  B.Ed along with your M.Sc for teaching in schools or NET if you want to be a lecturer.
You can go for Masters in the following fields of Science:
M.Sc in Food Sciences and Technology
M.Sc in Food Nutrition
M.Sc in Food Processing Technology
M.Sc in Food Biotechnology
M.Sc in Food Technology
M.Sc in Food,Nutrition and Dietetics
M.Sc in Microbial and Food Technology

There are some short term courses as well:
Advanced Diploma Course in Food Science and Quality Control
Certificate Course in Food Science & Quality Control
Certificate course in Food Technology
Certificate Courses in Food Technology and Processing
Diploma Course in Food Science and Quality Control
Diploma in Food & Nutrition

Here is the list of entrance tests for Masters in Food Sciences and Technology:
GATE Food technology entrance exam
AIJEE: All India Joint Entrance Exams
IIS: The Indian Institute of Science entrance exams
Indian Institute of Technology Entrance Exam
Indian Institute of Crop Processing Technology IICPT Entrance Exam
AIJEE: All India Joint Entrance Exams
JEE: Joint Entrance Exams
CFTRI: Central Food Technology Research Institute
Allahabad University entrance exams
University of Madras entrance test
University of Calcutta entrance test
Anndhra University entrance test
Govindnd Ballabh Pant University of Agriculture and
Hope this helps.
Good luck.

Hello Tanmoy,

There are several colleges in and outside India, that offer Masters degree in the field of food science and Technology.

I am listing out a few colleges and their minimum requirements to be eligible.:

Banaras Hindu University, Varanasi
Sharda University, Greater Noida
GITAM University, Visakhapatnam
Dr DY Patil University, Navi Mumbai
Shivaji University, Kolhapur
Lovely Professional University

Also you must have a degree in Bachelor of Engineering/B.Tech in Food Technology/Food and Technology along with a good score in entrance tests

and for further details, you can even visit our website, where there is a detailed description of all the major colleges and which one would be the best for you.

https://www.careers360.com/food-technology-course