For a Career in Astrophysics, you need to first pursue a B.Sc./BS in Physics followed by MS/M.Sc./PhD in Astrophysics followed by a career in Research and Academia. You dont really have strong scope in India, however after Postgraduation, if you pursue your Doctorate Abroad in Countries like US, Germany or France, itll open a Sea of Opportunities to you and a successful career in Astrophysics.

For more information about Astrophysics do follow the link below

https://www.careers360.com/courses/astrophysics-course