To be eligible for a Diploma degree program at Vetri Vinayaha Polytechnic College Tiruchirappalli, aspiring candidates must meet certain criteria. Firstly, applicants should have completed their secondary education (10th standard) from a recognized board or equivalent. They should have obtained a minimum aggregate score of 50% in their qualifying examination. Additionally, candidates must have studied Mathematics and Science as compulsory subjects during their secondary education. Meeting the age requirement of 15 to 20 years is also necessary. Furthermore, applicants may need to appear for an entrance examination conducted by the college and secure a qualifying rank to be considered for admission.