The eligibility criteria for pursuing a B.Tech degree at PET Engineering College, Tirunelveli, includes having passed the 10+2 examination with a minimum aggregate of 50% in Physics, Chemistry, and Mathematics. Additionally, candidates must have a valid score in relevant entrance exams such as JEE Main or TNEA. Meeting these academic requirements is essential for admission to the B.Tech program at PET Engineering College, Tirunelveli, which is known for its rigorous academic standards and commitment to excellence in engineering education.