The top 5 institutions for aeronautical engineering in India accepting JEE main are:
1. Birla Institute of technology, Pilani
2. Chandigarh University, Chandigarh
4. SASTRA Deemed UniversityThanjavur
3. Punjab Engineering College (PEC Chandigarh) Chandigarh
5. Amrita University, Coimbatore
However, if you are appearing for JEE mains then try to get a good percentile because there are many government colleges offering the course of aeronautical engineering which is better than most of the private colleges.