To be eligible for the Diploma degree program at Gandhi Polytechnic College in Erode, candidates must have completed their 10th standard or equivalent examination from a recognized board. Additionally, they must have obtained a minimum aggregate score of 50% in their qualifying examination. Candidates from both science and non-science backgrounds are eligible to apply for the program. It is also important for candidates to meet any specific subject requirements as specified by the college. Admission to the Diploma program is based on merit and performance in the entrance examination conducted by the college.