he is just behaving like good ,, coz he wanted to win meera's heart ,, he wanted to take place in meera's heart nothing more ,, he knows Meera love PRithvi .,. IP is not confirm that he is dead ,infect he dont knows , then how can he forces meera to Love him , and when become angry and Loss his Patience his real face come out again.. and who said him to act like Prithvi with Meera .. why he came to meet with meera, Arjun ban k na mil ne ki bahana kar k reh sakta tha ki nahi ?,, i think he knows where is Prithvi ,, if he is changed then why he entered in meera's room in drunk .. he himself , Misrajee , shalu everyone know that .. in drunk he cant control himself ,,then why ? he can do wrong ,, in drunk ,, why he is not living in his secret place like before ,, he is just doing emotional blackmail .. he just waiting for chance