See the change of branches are usually allowed in most of the colleges. So you have good possibilities to change your branch provided if there are vacant seats available in the Dairy Technology and also you must have to score above a threshold marks range as directed by the college disciplinary board.

To know more about Dairy Science visit the link below:

https://www.careers360.com/courses/dairy-technology-course

I hope this answer helps. All the very best for your future endeavors!