The minimum requirement of marks is to secure 45% aggregate marks in the 10+2 boards.

Hii!
Sorry, but you forgot to mention the name of the College or University, for which you want to know the cut-off of BSc food science ourse. Different Colleges and Universities have different cut-offs according to certain factors such as number of students appearing in the entrance exam, or the no. Of students applying via merit based entrance, no. Of seats available etc.,
So, kindly Reframe your question and aska again including the necessary information.
Hope you understand.
Good luck!