As you know kota is the most popular place institute for nit for medical and iit for non- medical students and allen is one of the most popular institute in kota or all over the india they have many branches I think one branches in all states they are very reputed institute and in 2017 there is many student who got number in iit and get a good all india rank I think this is the best institute for who want to crack iit or nit.