Hello dear, 

I am providing you the list of top dairy colleges in  Gujarat -

1 Sheth MC college for dairy science ,anand

2 Shri Galbabhai Nanjibhai Patel Dairy science and food technology ,Dhantiwada

3 kamdhenu university ,Gandhinagar

4 Mansinbhai Institute of Dairy and food technology ,Mehsana. 

Yes it is good for engineering, it also depends upon your interest in dairy. 

Hey Kartik ,
          If you are searching for the best diary colleges which offer B-Tech , then here are the names of three colleges according to their ranking :
1. AAU
2. Kamdhenu University
3. Parul Institute of Technology
   These are most suitable colleges for diary technology.
       Thank you