You can check the top colleges other then IITs and NITs below

SRM University, Chennai

RV College of Engineering, Bangalore

Manipal Institute of Technology, Manipal

Indian Institute of Science, Bangalore

Indian Institute of Engineering Science and Technology, Shibpur

Birla Institute of Technology, Mesra

Lovely Professional University, Phagwara

SASTRA University, Thanjavur

PEC University of Technology, Chandigarh

Amrita School of Engineering, Coimbatore

To check the complete list you can refer below link

List of Aeronautical/Aerospace Colleges

Good Luck!!