Hello There ,

One of the popular branches of engineering is the Aeronautical Engineering Course.  Candidates pursuing aeronautical engineering courses can specialize in fields like aerodynamics, celestial mechanics, thermodynamics, propulsion among others.

Some of the best colleges for aeronautical engineering other tha IIT's and Nit's are -

1)Indian Institute of space Technology - The college offers admissions to undergraduate programmes on the basis of JEE Advanced scores .

https://www.careers360.com/university/indian-institute-of-space-science-and-technology-thiruvananthapuram

This is the best college for aeronautical engineering and the cutoffs remain generally high so you need to get good rank .

For more colleges of aeronautical engineering refer this -

https://engineering.careers360.com/colleges/list-of-aeronautical-engineering-colleges-in-india

Hope it Helps and All The Best .