To be eligible for a BTech in Aerospace Engineering, candidates should have completed their higher secondary education (10+2) with Physics, Mathematics, and Chemistry. A strong foundation in these subjects is essential. Most programs require passing an entrance exam such as JEE Main or Advanced. Some institutions may also have specific minimum marks requirements. Ideal candidates should have a keen interest in aircraft and space technology, along with problem-solving skills and analytical thinking. Extracurricular activities related to engineering or science can be advantageous.