To pursue a Diploma degree at R. B. Sagar College of Education in Ahmedabad, candidates must meet certain eligibility criteria. Firstly, applicants should have completed their 10+2 education from a recognized board or equivalent, with a minimum aggregate score of 50%. Additionally, candidates must have studied English as a compulsory subject during their 10+2 education. It is important to note that meeting the minimum eligibility criteria does not guarantee admission, as the college may have limited seats and may consider other factors such as entrance exams or interviews during the selection process.