Yeh Kaun Aajbr Performers: Mumtaz, Amitabh Bachchanbr Singer: Lata Mangeshkarbr Music: R.D. Burmanbr Lyrics: Majrooh Sultanpuribr Film: Bandhe Hath, 1973br Cast: Mumtaz, Amitabh Bachchan, Ajit, O.P.