dear sir,my son has got iit rank 6492 in open category. he had filled all choices of iit, it bhu except dhanbad. but he did not get any admission in 2 list. can he apply to iiser? pl reply. where he can get thru iit jee rank direct admission to any institute or thru exam.pl mreply urgently we are very upset.he has secured aieee 25439 air rank thru aieee pl help send your reply urgently