Hello Aspirant,

If I consider previous year cut off rank data the ranks are as follows for Aeronautical engineering in Institute of Aeronautical engineering

OC Girls 17491
OC Boys 15929
BC-A Girls 42429
BC-A Boys 20842
BC-B Girls 27789
BC-B Boys 24179
BC-C Girls 17532
BC-C Boys 15929
BC-D Girls 26762
BC-D Boys 25937
BC-E Girls 35364
BC-E Boys 23694
SC Girls 49537
SC Boys 49537
ST Girls 48588
ST Boys 48621

This is subjected to change.

I hope this is helpful.
All the best!