To pursue a Diploma degree at TJS Polytechnic College Thiruvallur, candidates must meet certain eligibility criteria. Firstly, applicants should have completed their 10th standard or equivalent examination from a recognized board. They should have obtained a minimum aggregate score of 50% in their 10th standard examinations. Additionally, candidates must have studied Mathematics and Science as compulsory subjects in their 10th standard. It is important for applicants to note that meeting the minimum eligibility criteria does not guarantee admission, as the final selection is based on merit and availability of seats.