To be eligible for the Diploma degree program at B.N.K.B.P.G. College Ambedkar Nagar, applicants must meet certain criteria. Firstly, candidates should have completed their secondary education or its equivalent from a recognized board or university. Additionally, they should have obtained a minimum aggregate score of 50% in their qualifying examination. Furthermore, applicants must have studied relevant subjects as per the requirements of the specific diploma course they are applying for. It is important to note that eligibility criteria may vary depending on the diploma program, so candidates are advised to refer to the college's official website or prospectus for detailed information.