hello aspirant,

you can do bsc or btech in dairy technology. however b.tech course has more industrial rele=ated function then bsc. you may follow the below link to know more about dairy technology,

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

some colleges offer dairy technology are-

National Dairy Research Institute - [NDRI]

Sam Higginbottom University of Agriculture Technology and Sciences - [SHUATS]

Pacific University

Maharana Pratap University of Agricultural and Technology - [MPUAT]

Baba Saheb Dr Bhim Rao Ambedkar College of Agricultural Engineering and Technology

West Bengal University of Animal and Fishery Sciences

Kerala Veterinary and Animal Sciences University - [KVASU] Pookode

Tamil Nadu Veterinary and Animal Sciences University - [TANUVAS]

Hey Gopithammisetty

Dairy Technology Is a great Choice.  Dairy Technology is a science and engineering field that deals with the study of milk processing and its products. It is a part of food technology and processing industry that involves processing, packaging, distribution and transportation of various dairy products such as milk and ice-cream by using the science of biochemistry, bacteriology, and nutrition. Eligibility Criteria For Diary Technology Is Candidates should clear Class 12th in Science stream with the minimum required percentage (usually 50% - 60%) as stipulated by a university/ college. Some of The Jobs In Dairy Technology Are Given Below:

• Dairy Technologist
• Microbiologist
• Dairy Nutritionist
• Dairy Scientist
• Dairy Production Manager

I Hope It Helps 

Good Luck