To be eligible for a Diploma degree at Government Polytechnic College, Harda, candidates must fulfill certain criteria. Firstly, applicants should have completed their secondary education (10th standard) from a recognized board or its equivalent. They should have obtained a minimum aggregate score of 50% in their qualifying examination. Additionally, candidates must have studied Science and Mathematics as compulsory subjects in their secondary education. Moreover, applicants must meet the age requirement set by the college, which is usually between 15 to 18 years. Meeting these eligibility criteria will ensure that candidates are considered for admission to the Diploma program at Government Polytechnic College, Harda.