Indian Institute of Technology (BHU), Varanasi or IIT (BHU) is a public engineering institution founded in 1919 as the Banaras Engineering College which became the Institute of Technology, Banaras Hindu University in 1968.

As per my knowledge, Indian Institute of Technology (BHU), Varanasi or IIT (BHU) does not offer B Sc Program. The courses that it offers are as follows:

Departments

Engineering:
Ceramic Engineering
Chemical Engineering
Civil Engineering
Computer Science & Engineering
Electrical Engineering
Electronics Engineering
Mechanical Engineering
Metallurgical Engineering
Mining Engineering
Pharmaceutics

Sciences:
Chemistry
Mathematics
Physics

Interdisciplinary Schools:
Biochemical Engineering
Biomedical Engineering
Material Science and Technology
Humanities & Social Sciences Section

Undergraduate Programme
Bachelor of Technology (B. Tech)
Ceramic Engineering, Chemical Engineering, Civil Engineering, Computer Science and Engineering, Electrical Engineering, Electronics Engineering, Mechanical Engineering, Metallurgical Engineering and Mining Engineering

Bachelor of Pharmaceutics (B. Pharm)
Pharmaceutical Sciences

Integrated Dual Degree (B. Tech and M. Tech)
Biochemical Engineering, Bioengineering with M. Tech in Biomedical Technology, Ceramic Engineering, Civil Engineering with M. Tech in Structural Engineering, Computer Science and Engineering, Electrical Engineering with M. Tech in Power Electronics, Materials Science and Technology, Mechanical Engineering, Metallurgical Engineering and Mining Engineering.

Integrated Dual Degree (B. Pharm and M. Pharm)
Pharmaceutical Sciences
Integrated master's degree (M. Tech) Engineering Physics, Industrial Chemistry and Mathematics and Computing

Postgraduate Programmes:
M.Tech. in Ceramic Engineering
M.Tech. in Chemical Engineering
M.Tech. in Civil Engineering (Hydraulics and Water Resources Engg., Geotechnical Engineering, Structural Engineering, Environmental Engineering and Transportation Engineering)
M.Tech. in Electrical Engineering (Power Systems, Electrical Machines and Drives, Control Systems and Power Electronics)
M.Tech. in Electronics Engineering (Microwave Engineering, Digital Techniques and Instrumentation, Microelectronics and Communication Systems Engineering)
M.Tech. in Mechanical Engineering (Machine Design, Heat Power Engineering and Production Engineering)
M.Tech. in Metallurgical Engineering (Extractive Metallurgy, Metals and Materials Processing, Alloy Technology)
M.Tech. in Mining Engineering (Mine Environment, Rock Mechanics and Mine Planning)
M.Tech. in Systems Engineering
M.Tech. in Biochemical Engineering
M.Tech. in Industrial Management
M.Tech. in Biomedical Engineering
M.Tech. in Materials Science & Tech.
M.Pharm. in Pharmaceutical Sciences (Pharmaceutics, Pharmaceutical Chemistry, Pharmacology and Pharmacognosy)