To be eligible for the Diploma degree program at Government Polytechnic College, Rudraprayag in Rudraprayag, India, candidates must meet certain criteria. Firstly, applicants should have completed their secondary education (10th grade) from a recognized board or institution. Additionally, they should have studied Science and Mathematics as compulsory subjects during their secondary education. Furthermore, candidates must have obtained a minimum aggregate score of 50% in their secondary education. It is important to note that eligibility criteria may vary for different specializations within the Diploma program, and candidates are advised to refer to the official college website or prospectus for specific requirements.