A stream of specialisation that is involved in Development of aircraft or space craft is Aersopace Engineering. Aerospace Engineers deal with spacecraft, aircraft, missiles and weapons.

IIT Bombay

MIT Manipal

SRMSIT, Chennai are few top Colleges which have this Engineering stream. You can check the complete list of colleges at our page: https://engineering.careers360.com/colleges/list-of-be-btech-in-aerospace-engineering-colleges-in-india Now regarding admission, you have to appear for Entrance examinations. One of them is JEE Mains. For admission to IIT, you need to appear for JEE Advanced. You can study Engineering after your 12th in Physics, Chemistry and Mathematics subjects.