Diploma in Mechanical Engineering is a 3-year diploma level course in BGS Polytechnic. It is a field of engineering that involves the application of the standards of Material Science for investigation, planning, assembling, and upkeep of mechanical frameworks. This is one of the main courses that include the application of laws of physics for design, analysis and manufacturing of mechanical systems. The students are taught to make and collect motors and structures to understand the basic concepts of the course.