Department of Dairy Engineering

About

The Department of Dairy Engineering is one of the core academic departments of the B.Tech. (Dairy Technology) programme, dedicated to advancing engineering education, research and innovation in the dairy and food processing sector. The department focuses on the application of engineering principles to the processing, preservation, packaging, storage, transportation and value addition of milk and dairy products. It integrates the disciplines of mechanical, thermal, electrical, instrumentation, automation and food engineering to design, develop, operate, and optimize modern dairy processing systems. Emphasizing sustainability, energy efficiency, digital technologies, and smart manufacturing, the department strives to develop technically competent professionals capable of addressing the evolving needs of the dairy industry while contributing to food security, rural development, and entrepreneurship.

Mandate

Provide Quality Education and Training: Impart high-quality education and hands-on practical training in Dairy Engineering with a strong foundation in engineering principles, dairy processing, equipment design, automation, and sustainable manufacturing.
Promote Research and Technological Innovation: Advance research, innovation, and technology development in dairy processing, smart manufacturing, process optimization, energy efficiency, renewable energy, environmental management, and digital technologies.
Develop Industry-Ready Professionals and Entrepreneurs: Build competent engineers, researchers, and entrepreneurs capable of addressing emerging challenges in the dairy and food sector through innovation, incubation, and skill development.
Strengthen Industry Linkages and Technology Transfer: Foster strong collaboration with dairy industries, cooperatives, research organizations, and academic institutions through consultancy, technical services, internships, equipment testing, process optimization, and technology transfer.
Support Sustainable Rural Development: Enhance farmers’ livelihoods and rural prosperity by promoting value addition, mechanization, sustainable dairy technologies, capacity building, and extension programmes.
Establish Centres of Excellence in Dairy Engineering: Develop advanced laboratories, pilot-scale processing facilities, CAD and simulation capabilities, and postgraduate (M.Tech.) and doctoral (Ph.D.) programmes to promote interdisciplinary research, leadership, professional ethics, and lifelong learning.

Vision

To emerge as a Centre of Excellence in Dairy Engineering by fostering quality education, cutting-edge research, technological innovation and industry-oriented solutions that promote sustainable, efficient, and globally competitive dairy and food processing systems while contributing to food security, rural prosperity, and entrepreneurship.

Facilities

The Department has the Following Major Labs:

Fluid Mechanics lab
Dairy Process Engineering lab
Workshop practice lab
Thermodynamics and Refrigeration lab
Engineering Drawing lab
Electrical Engineering lab
Instrumentation and Process Control lab
Heat and mass Transfer lab
Food Engineering lab

The Department has the Following Apparatus:

Drilling Machine
Electric welding Machine
Bench Vice- Carpentry vice (2) and Fitting vice (2)
Grinding Machine (Fixed)
Polishing Machine
Bernoulli’s Theorem Apparatus
V- Notch Apparatus
Pipe Friction Apparatus
Models of Boilers
Model of Two-Stroke Engine
Model of Four-Stroke Engine
Models of a Spark Plug System
Models of the Compression Ignition System
Thermal Conductivity Apparatus
Forced Convection Heat Transfer Apparatus
Pool Boiling Experimental Apparatus
Multiple Effect Evaporator Model
Three-Stage Spray Dryer Model
Induction Cooker
Ostwald Viscometers
Thermometers
RTD Experiment
Thermocouples
Pressure Gauge
Water level Indicator
Viscometer
Cream separator
Heat Transfer Setups (2)
Vacuum Packaging Machine
Ohmic Heating Setup
Hot Air Oven

Academic Activities

UG Courses

Sl. No.	Course Title	Course Code	Credit Hrs.
1	Workshop Practice	DTE-111	2(1+1)
2	Fluid Mechanics	DTE-112	3(2+1)
3	Engineering Drawing	DTE-113	1(0+1)
4	Thermodynamics	DTE-121	2(1+1)
5	Heat & Mass Transfer	DTE-122	3(2+1)
6	Basic Electrical Engineering	DTE-124	3(2+1)
7	Refrigeration & Air Conditioning	DTE-211	3(2+1)
8	Dairy Engineering	DTE-212	3(2+1)
9	Dairy Process Engineering	DTE-221	3(2+1)
10	Instrumentation and Process Control	DTE-311	3(2+1)
11	Food Engineering	DTE-321	3(2+1)
12	Material Strength & Dairy Machine Design	DTE-322	3(2+1)
13	Dairy Plant Design and Layout	DTE-323	2(1+1)
14	Energy Conservation & Management	DTE-324	2(1+1)

PG Courses

Sl. No.	Course Title	Course Code	Credit Hrs.
1	Dairy and Food Engineering-I	DE-511	3+0
2	Analytical Heat and Mass Transfer	DE-512	2+1
3	Transport Phenomena	DE-513	3+0
4	Advances in Refrigeration Engineering	DE-514	2+1
5	Design of Dairy and Food Process Equipment	DE-515	3+0
6	Engineering Properties of Dairy and Food Products	DE-516	2+1
7	Mechanization in Manufacture of Indigenous Dairy Products	DE-517	3+0
8	Dairy and Food Engineering-II	DE-521	3+0
9	Bio-Thermal Process Engineering	DE-522	3+0
10	Industrial Instrumentation and Process Control	DE-523	2+1
11	Industrial Automation and Robotics	DE-524	2+1
12	Unit Operations	DE-525	2+1
13	Environmental Engineering	DE-526	2+0
14	Energy Management and Auditing in Dairy and Food Plants	DE-527	2+1
15	Masters’ Seminar	DE-591	1+0
16	Masters’ Research	DE-599	0+30

Research Activities

S.N.	Title of Projects	PI (Nodal Officer)	Funding Agency	Amount (Lakhs)	Duration (Years)
1	Establishment of Incubation Centre for Primary Processing & Storage of Potato, Tomato and their Integrated Processing	Dr. Lalit M. Bal	MoFPI, Govt. of India (Dept. of Industries, Govt. of Bihar)	222.55	05 Yrs (2026 to Continuing)
2	Unnat Bharat Abhiyan (UBA) at Bihar State Institute of Dairy Technology, Patna	Dr. Lalit M. Bal	Ministry of Education (MoE), Govt. of India	0.5	2024 – Ongoing
3	Effect of Ohmic Heating on Rheological Properties and Sensory Attributes of Skimmed Milk and Whole Milk	Rashmi Kumari	BASU, Patna	3.6	03 Yrs (2023–2026)
4	Process Optimization of Low Fat Long Life Herbal Vacuum Packaged Paneer	Rashmi Kumari	BASU, Patna	3.7	03 Yrs (2023–2026)