Hello Aspirant,

The best institute in India for Aeronautical Engineering

1 IIT Bombay

2. IIT Kanpur

3. IIT Kharagpur

4. IIT Madras

5. PEC University of Technology Chandigarh

6. Bengal Engineering and Science University

7. Manipal Institute of Technology

8. Amrita Institute of Technology and Sciences Coimbatore

9. Sathyabama University Chennai

10. Acharya Institute of Technology Bangalore

11. Amrita School of Engineering Bangalore 

12. M.V.J. College of Engineering Bangalore

Visit their official websites for more details. 

All the best.