To pursue a Diploma degree at Ratnavel Subramaniam Polytechnic College Karur, aspiring candidates must meet certain eligibility criteria. Firstly, applicants should have completed their 10th standard or equivalent examination from a recognized board. Additionally, they should have obtained a minimum aggregate score of 50% in their 10th standard exams. It is important for candidates to have studied Mathematics and Science as compulsory subjects in their 10th standard. Furthermore, applicants must fulfill any other specific requirements set by the college or the respective department they wish to apply for. Meeting these eligibility criteria will enable students to apply for a Diploma degree program at Ratnavel Subramaniam Polytechnic College Karur.