To be eligible for a Diploma degree at Thanthai Roever Institute of Agriculture and Rural Development in Perambalur, candidates must have completed their 10th standard or equivalent examination from a recognized board. Additionally, they must have a strong interest in agriculture and rural development, as well as a passion for making a positive impact in rural communities. Applicants should also demonstrate good communication skills, problem-solving abilities, and a willingness to work in challenging environments. Overall, candidates who are dedicated to learning and improving agricultural practices in rural areas will be well-suited for this program.