To pursue a B.Tech. (Bachelor of Technology) degree at Sir Issac Newton College of Engineering and Technology Nagapattinam, candidates must meet certain eligibility criteria. Applicants should have completed their higher secondary education (10+2) or its equivalent with a minimum aggregate of 50% in Physics, Chemistry, and Mathematics. Additionally, they should have qualified in a recognized entrance examination, such as JEE Main or any state-level engineering entrance exam. The age limit for general category candidates is 25 years, with a relaxation of 5 years for reserved category candidates. Meeting these criteria ensures that students have a strong foundation in the core subjects and are well-prepared to excel in the field of engineering.