To be eligible for the B.Tech degree program at Carmel College of Engineering & Technology, Alappuzha, candidates must have completed their 10+2 education with a minimum of 50% aggregate marks in Physics, Chemistry, and Mathematics. They must also have a valid score in entrance exams such as JEE Main or KEAM. Additionally, candidates from the reserved category may have specific eligibility criteria as per government regulations. It is important for applicants to carefully review the admission guidelines provided by the college before applying for the B.Tech program.