RK was never bad..He is grey...he has a streak of multi layered character..He does not get angry..he gets even...He has never crossed anyone's space until and unless they make it a mission as Maddy did for the sake of justice...Rishab thinks from heart..where as RK thinks from his mind..a contradictory is ..laying a trap and succeeding it..Now what Rishab does is to be seen...A misunderstanding that Madhu might have hand in glove is out of question..since he knows her too well..what other reasons does he have to send her back..challenging shammu or something else..
i hope it turns out exactly as u said