It is the best branch of engineering diploma after 10th for those who are interested in developing aircraft, spacecraft, missiles, etc. The Aerospace Engineering discipline involves planning, research, design, and production of aircraft, spacecraft, satellites, missiles, etc. In this course, you study subjects like Physics, Chemistry, Engineering thermodynamics, Space technology, Aircraft propulsion. After completion of a diploma, you can go for a bachelor’s degree, and then work as an aerospace engineer, astronomical engineer, aircraft designer, aerospace technician, etc.