To pursue a B.Tech. (Bachelor of Technology) degree at NELLIANDAVAR INSTITUTE OF TECHNOLOGY Thiruvannamalai, aspiring candidates must meet certain eligibility criteria. Applicants should have completed their 10+2 examination or its equivalent with Physics, Chemistry, and Mathematics as core subjects. Additionally, they must have obtained a minimum aggregate score of 50% in these subjects. Reserved category candidates are granted a relaxation of 5% in the aggregate score requirement. Admissions are granted based on the candidates' performance in national-level entrance exams like JEE Main or state-level entrance exams, followed by counseling sessions. Meeting these criteria ensures eligibility for the B.Tech. program at NELLIANDAVAR INSTITUTE OF TECHNOLOGY Thiruvannamalai.