B.Tech in Biotechnology aims at connecting the various aspects of Biology to Technology.It uses the concept of Biology to modify the biological systems and processes and using it to further modify the engineering and technology related processes.This has been able to solve various problems arising in the fields of healthcare,pharmaceutical,agricultural and processing.
M.Sc in Food Sciences and Technology is a two year post  graduate programme.The basic eligibility is to have a bachelor's degree in Food Science or other such discipline with a minimum score of 50%.So you are eligible for M.Sc in Food Sciences and Technology post B.Tech in Biotechnology.
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Good luck.

Hello aspirant,
Yes, you are eligible for Masters in food tech after a graduate degree in biosciences. There are many central universities offering such courses, Tezpur University is one of them.
If you have any questions please let me know
All the best!
Thank you!!!!