To be eligible for the B.Ed degree program at St. Mary's B.Ed College in Kottayam, candidates must have completed a Bachelor's degree in any discipline from a recognized university with a minimum of 50% aggregate marks. Additionally, candidates must have passed the entrance exam conducted by the college or as per the guidelines set by the university. Prior teaching experience or a background in education may be considered as an added advantage during the selection process. Candidates are also required to meet any other specific eligibility criteria set by the college or university for admission to the B.Ed program.