Hello Saurav,

You can enroll in numerous courses and degree for high paying jobs -

1. Msc in physics/astrophysics from IITs/IIA.
2. You can apply for ISRO after Msc in physics.
3. You can learn programming through various platforms.
4. You can go for B.ed.
5. MCA
6. MBA.
7. You can also go for research analyst.

I hope it helps,

Best of luck.