Watch the dangerous car chase scene from the classic bollywood thriller movie Humsaya (1968) starring Joy Mukherjee, Mala Sinha, Sharmila Tagore. Directed & Produced by Joy Mukherjee. Music by O.P Nayyar. Enjoy watching this scene to know more. Hum Saya is a suspense thriller movie where a disgraced Indian air force officer impersonates a look-alike Chinese spy.