To pursue a B.Tech. degree at Holycross Engineering College Thoothukudi, candidates must meet the following eligibility criteria. They should have completed their higher secondary education (10+2) with a strong background in science stream, specifically in Physics, Chemistry, and Mathematics. The minimum aggregate score required in the qualifying examination is 50%. Additionally, candidates must have appeared for relevant entrance exams such as JEE Main or TNEA and obtained a valid score. Admissions are based on merit, and shortlisted candidates will be called for counseling rounds. It is also essential for applicants to fulfill any other requirements specified by the college or university.