Hello Aspirant. 

Top universities for aeronautical engineering are: -

1-IIT Madras - Department of Aerospace Engineering

2-IIT Bombay - Department of Aerospace Engineering

3-IIT Kharagpur - Indian Institute of Technology

4- IIT Kanpur - Indian Institute of Technology

5-Madras Institute of Technology

6-Manipal Institute of Technology (MIT Manipal)

7-SASTRA Deemed University

8-Sathyabama Institute of Science and Technology

9-M.V.J. College of Engineering – MVJCE

10-Karunya Institute of Technology and Sciences

11-Punjab Engineering College (PEC Chandigarh)

12-Dayananda Sagar College Of Engineering – DSCE

13-B.S. Abdur Rahman Crescent Institute of Science and Technology

 14-NITTE Meenakshi Institute of Technology – NMIT

15-IIST - Indian Institute of Space Science and Technology

16-Amity University

17-RVCE Bangalore - R.V. College of Engineering, Rashtreeya Sikshana...

18-KLS Gogte Institute of Technology

19-Andhra University Visakhapatnam

20-LPU - Lovely Professional UUniversity. 

I hope it helps. All the best