Ek Bar Mooskura Do English Smile once more is a 1972 Bollywood drama film directed by Ram Mukherjee. The film stars Shobhna Samarth, Joy Mukherjee, Tanuja and Deb Mukherjee . O.P.Nayyars hit music was one of the plus point of this film. Almost all the songs of the film were enjoyable. Particularly, Kitne atal the tere iraade tu aur ki kyon ho gayi sung by Kishore Kumar is considered one of his best, hearttouching, passionate and fastest songs. The other version of the song in the movie is sung by Asha Bhosle.
Source: Wikipedia