To be eligible for a B.Tech. (Bachelor of Technology) degree at College of Engineering Poonjar, Kottayam, applicants must meet certain criteria. Firstly, candidates should have completed their higher secondary education (10+2) or its equivalent with a minimum aggregate score of 50% in Physics, Chemistry, and Mathematics. Additionally, they must have qualified in national level entrance examinations such as JEE Main or KEAM. The age limit for general category applicants is 25 years, with a relaxation of 5 years for reserved categories. It is also necessary for candidates to fulfill any other requirements set by the college or university, as applicable.