You can check the top colleges for Aeronautical engineering below

Manipal Institute of Technology, Manipal

PEC University of Technology, Chandigarh

Anna University, Chennai

Indian Institute of Space Science and Technology, Thiruvananthapuram

Sathyabama University, Chennai

Acharya Institute of Technology, Bangalore

To check complete list you can refer below link

Top Aeronautical Engineering Colleges 

To take admission you can appear in entrance exams like JEE Main, MUOET and COMEDK.

Good Luck!!