To be eligible for the Diploma degree program at Jawaharlal Aviation Institute, Ottapalam, candidates must have completed their 10+2 education from a recognized board with a minimum aggregate of 50%. Additionally, applicants must have a valid score in the entrance exam conducted by the institute or any other relevant aviation entrance exam. Prior knowledge or experience in the aviation industry will be an added advantage. Candidates must also meet the age criteria set by the institute. Overall, the selection process for the Diploma degree program at Jawaharlal Aviation Institute, Ottapalam, is competitive and requires a strong academic background and passion for the aviation industry.