To be eligible for the B.Ed degree program at Arunai College of Education in Thiruvannamalai, candidates must have a minimum of 50% aggregate marks in their Bachelor's degree from a recognized university. Additionally, they must have completed their undergraduate degree in a relevant field such as Education, Arts, Science, or Commerce. Candidates are also required to pass the entrance exam conducted by the college and fulfill any other specific requirements set by the institution. Prior teaching experience or a background in education may be advantageous for applicants.