Diploma in Mechanical Engineering is a 3 year polytechnic course that can be pursued by students after class 10. Diploma in Mechanical Engineering deals with design, manufacture and maintenance of mechanical equipment by applying the basic principles of mechanics. Mechanical Diploma or Mechanical Engineering polytechnic courses are offered to the candidates immediately after their 10th or equivalent exam. The eligibility for Mechanical diploma courses are a minimum score of 55% marks in class 10. A relaxation of 5% is provided to the candidates belonging to the reserved categories.