Question

after passing 12th in school then what I will do to study the astronomy​

Answer 1

After 12th there are many ways to study astrophysics ; You can either go for an engineering degree or get a BSc degree in Physics and after that take up astrophysics for your master's in some of the top institutes in India such as IUCAA, IIA, IISc for which you will have to take up some entrance exams like GATE, CSIR ........

follow me lolx