The diploma course aims to create expert supervisory mid-level engineers for the industrial field. This is a midlevel stage between technicians and engineers. Attaining a diploma before engineering is an apt path to become an expert engineer in any field. AICTE (All India Council of Technical Education) gives affiliation to polytechnic colleges. A Polytechnic is a technical education college. It offers many industrial arts, applied sciences, and other courses. It teaches many types of technical and vocational courses