According to me is
1) Huda - too full of himself, only cares about Naina and teases/insults everyone else
2) Naina - self-centred. Uses her friends only when she needs something from them, otherwise not bothered to know what problems they are undergoing.
3) Ali-willing to trample all over his friends if need be inorder to achieve his mission of becoming a good soldier
4) Pooja - is unsure whom she needs to be with, her friends or love.
5) Yudi - doesn't want to fight with anyone yet he wants to please all his friends, which is impossible.
6) Alekh, cannot be called a bad friend. But yes without realising it himself, he is falling for the trap that whoever messes with Naina are going to be his enemies.
Michelle