I am preparing for iit and i want to apply for aerospace engineering

I am studying in class 12 and i want get in iit in aerospace engineering so what i should do crack it in first attempt

Hello Look at the link given below for the IITs cutoff for aerospace engineeringhttps://www.google.co.in/amp/s/engineering.careers360.com/articles/iits-cutoff-for-b-tech-aerospace-engineering%3fampTo get into aerospace engineering u need to first get the required rank and marks. After that u need to apply for colleges in the counselling