HEY,

Dear Pravin,

In order to take admission in Aeronautical engineering you have to appear for the entrance exam.

To take admission in IITs you have to appear for JEE(Main + Advanced) exam.

In order to be eligible you should have 75% marks in your boards exam or you should be in top 20 percentile in general category. For SC/ST you should have 65% marks.

There are some top private colleges as well in which you can appear like Manipal and Amrita.

To check the list of top colleges you can refer below

IIT Bombay

IIT Kanpur

IIT Kharagpur

IIT Madras

Indian Institute of Space Science and Technology

Indian Institute of Science

University of Petroleum and Energy Studies

PEC University of Technology    

Manipal Institute of Technology, Manipal

Amrita University

Hindustan University

Good Luck!!