To be eligible for the Diploma degree program at SAINT JOSEPH COLLEGE FOR TECHNICAL COLLEGE TONK RAJASTHAN in Tonk, candidates must meet certain criteria. Firstly, applicants should have completed their 10+2 education from a recognized board or its equivalent. They should have studied subjects relevant to the chosen Diploma course, ensuring a strong foundation in the field. Additionally, candidates must attain a minimum aggregate score of 50% in their qualifying exams. It is important to note that eligibility requirements may vary depending on the specific Diploma program, and candidates are advised to refer to the college's official website or prospectus for detailed information.