If I score above 90% in board exams and have got low marks in JEE, will I get a seat in aerospace engineering?

Now, your JEE score will reflect more for admission in any college instead of your class 12th percentage. But you can go for aerospace engineering, there might be some chances.

Actually the chances are more with your percentage in aeronautical engineering but its not there in NITs you can go for IITs.

Hello Vaibhav, If only you were from Tamil Nadu, you would surely have got admission for aeronautical engineering. But unfortunately, this branch is not available in any NIT but available only in IITs. And that means you need to score good marks not only in JEE Mains but also in JEE Advanced.