Below are the top colleges for Aerospace Engineering

-Indian Institute of Technology, Kanpur

-Indian Institute of Technology, Bombay

-Indian Institute of Technology, Madras

Eligibility Criteria- Admissions are based on JEE Advanced you have to qualify JEE Main exam first. In order to be eligible you have to secured 75% marks in your boards exam or you should be in top 20 percentile. For ST/SC you have to get 65% marks. 

-Amity University

You can check the eligibility criteria from the given below link

Amity Eligibility Criteria

-Amrita School of Engineering, Bangalore

Eligibility Criteria- You should pass in 10+2 (Class XII) or its equivalent examination securing an aggregate of 60% marks in Mathematics, Physics and Chemistry with not less than 55% in each of these three subjects.

-SRM University

Eligibility Criteria-
- You Should have attained the age of 16 + on the 31st July of the calendar year in which the 12th Board examination is to be hel.

• For Kattankulathur campus : Minimum 60% aggregate in PCM   
• For Ramapuram, Vadapalani and NCR, Delhi campuses : Minimum 50% aggregate in PCM

-To encourage and support students of exemplary talent, SRM University offers direct admission and scholarships to first rank students of all the central and state boards in India, top 1000 rankers in IIT JEE, top rankers in each district of Tamil Nadu and exemplary sports persons at National and International level.

Good Luck!!