Hii,
Top 10 colleges having aerospace engineering are:
Indian Institute of Science(IISc),Bangalore

Indian Institute of Technology, Bombay(IIT),Mumbai

Indian Institute of Technology, Kanpur(IIT),Kanpur

Indian Institute of Technology, Madras(IIT),Chennai

Indian Institute of Space Science and Technology, Thiruvananthapuram(IIST),Thiruvananthapuram

Indian Institute of Technology, Kharagpur(IIT),Kharagpur

Indian Institute of Engineering Science and Technology, Shibpur(IIEST-S),Howrah

Kalaignar Karunanidhi Institute of Technology(KIT), Coimbatore

PEC University of Technology(formerlyPunjab Engineering College-PEC),Chandigarh

University College of Engineering,Rajasthan Technical University,Kota, Rajasthan

Good luck...