which are top 10 collages for b.tec in astrophysics ?

You can consider below names -

1. Indian Institute of Technology, Bombay (IIT-B)

2. Tata Institute of Fundamental Research, Mumbai (TIFR)

3. University of Delhi (DU)

4. Indian Institute of Science, Bangalore (IISc)

5. Indian Institute of Technology, Delhi (IIT-D)

6. Indian Institute of Technology, Madras (IIT-M)

7. Indian Institute of Technology, Kharagpur (IIT-K)

8. Banaras Hindu University, Varanasi (BHU)

9. Indian Institute of Astrophysics, Bengaluru

10. Institute of Mathematical Sciences, Chennai (IMC) etc.

Hope this helps!!!

Here are some of the colleges name for B.tech Astrophysics you can prefer:

1. NTU College of Engineering, Hyderabad.

2.Indian Institute of Astrophysics, Bangalore.

3 Osmania University.

4.Indian Institute of Science, Bangalore .

5.Birla Institute of Technology & Sciences, Pilani

6. Astrophysics, Tata Institute of Fundamental Research, Pune