Song: Ik Tu HaiMovie: AttackCast: John Abraham, Jacqueline FernandezSingers: Jubin Nautiyal & Shashwat SachdevMusic: Shashwat SachdevLyrics: Kumaar ………………………………………………………………………………………………………………………………………………………………. Once again Jubin Nautiyal and Shashwat Sachdev wins hearts of millions by their melodious voice, as new love song “IK TU HAI”…