Hi

my son has got state rank 8041 and general category rank 42950.

will he be able to get a seat in other than home state nits?

Hi,

There are very less chances of you getting a NIT seat.
For a better estimation refer last years opening and cloasding rank !
You can also visit askIITaisn college and branch predictor for a better idea. Here is the link :
http://www.askiitians.com/iit-jee/main/college-branch-predictor.html