Watch & enjoy Hum Aur Tum Tum Aur Hum Full Video Song from the movie 'Daag' starring Rajesh Khanna & Sharmila Tagore.br br This song is sung by Kishore Kumar & Lata Mangeshkar...br br Movie : Daag (1973)br Director : Yash Choprabr Producer : Yash Choprabr Stars : Rajesh Khanna, Sharmila Tagore, Raakhee, Madan Puri, Kader Khan, Prem Chopra & A.K.