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!!
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