To be eligible for a Diploma degree at Dharmpal Singh Chandraul Mahavidhyalaya, Allahabad, candidates must have completed their 10+2 or equivalent from a recognized board. Additionally, they must meet the minimum required percentage in their qualifying exam as specified by the college. Some courses may have specific subject requirements, so applicants are advised to check the course details before applying. Admission may also be subject to entrance exams or interviews, depending on the course. Overall, students must demonstrate academic proficiency and a strong interest in the field of study to be considered for the Diploma program at the college.