MIT ADT is one of the recognized college. To get aerospace engineering, you have to score above 80% of the total score i.e. above 160
If you belong to general category then you have to work hard as that you will get better and top college options. A rank below 1k is most secured one which will make you open for 1st tier college options.
Study well, practice as much as you can. Solve previous year papers.
All the best!
Hope it helps!