To be eligible for a Diploma degree at Padmabushan Sri.N.Ramaswami Ayyar Memorial Polytechnic College for Girls in Tiruchirappalli, candidates must meet certain criteria. Applicants should have completed their 10th standard or its equivalent examination from a recognized board. They should have secured a minimum aggregate of 50% marks in the qualifying examination, with Mathematics and Science as compulsory subjects. Additionally, candidates must have a genuine interest in technical and practical skills development. Admissions are based on merit, and candidates are selected through a centralized counseling process conducted by the Directorate of Technical Education, Tamil Nadu.