Hii aspirant
I will take your question as
Like you want to know the best aeronautical engineering colleges in India and how to get admission there
So let me tell you that  the stream is offered by many top most college in India
Some of them are

• MIT Manipur
• PEC chandigarh
• Dayanand sagar college of technology, Bangalore
• Madras institute of technology Chennai

For other colleges you must go through the following link
https://engineering.careers360.com/colleges/list-of-aeronautical-engineering-colleges-in-india