Hello student if you want to do Btech in food technology you need to have Mathematics, physics and chemistry in your class 12. But if you want to to food technology with B.tech that's by general science then you're eligible with PCB.

ELIGIBILITY for food technology B.tech - Candidates must passed or appearing class 12 in physics chemistry and Mathematics with minimum 50 percent marks from a recognized board.

For more details refer to the link mentioned below - https://www.google.com/amp/s/www.careers360.com/courses/b-tech-in-food-technology/amp

Feel free to comment if you've any doubt

Good luck