To be eligible for admission to the B.Tech program at Sembodai Rukmani Varatharajan Engineering College, Nagapattinam, candidates must have completed their 10+2 education with a minimum aggregate of 50% in Physics, Chemistry, and Mathematics. Additionally, candidates must have a valid score in entrance exams such as JEE Main or TNEA. The selection process may also include a personal interview. It is important for candidates to meet the eligibility criteria set by the college in order to be considered for admission to the B.Tech program.