Hi Alfiya 

Aeronautical engineers work with aircraft. They apply their knowledge of Engineering to develop aircraft for various purposes.

Complete class 12 in Science stream. make your basics strong, start from your science and maths school books of class 11 & 12 and get good percentage.

Then there are entrance exams like JEE main and advanced . Work hard and get good rank. 

You can get a good college and after completing 4 years bachelor degree of you want to go for further studiesi.e. Mtech , then you have to appear in Graduate Aptitude testing and Engineering ( GATE). 

If you are passionate about this field , only then choose this field. Aeronautical engineering is the best career oriented field but it requires lot of hardwork and dedication. 

So keep learning and revising whatever you study in your school and college. Stick to what teachers and lecturers teach you. Self study is most important so keep learning and practicing stuff and make your concepts strong and get good marks on the basis of your knowledge and understanding. 

All The Best!!