To pursue a B.Tech. (Bachelor of Technology) degree at Green Hills Engineering College Nahan, aspiring candidates must meet certain eligibility criteria. Firstly, candidates should have completed their 10+2 education from a recognized board with Physics, Chemistry, and Mathematics as compulsory subjects. Additionally, they must have obtained a minimum aggregate score of 50% in their qualifying examination. Furthermore, candidates are required to appear for entrance exams such as JEE Main or any other state-level engineering entrance examination and secure a valid rank. Admissions are granted based on the candidate's performance in the entrance exam and subsequent counseling process. Meeting these eligibility criteria ensures a strong foundation for students aspiring to pursue a B.Tech. degree at Green Hills Engineering College Nahan.