Ek Bar Mooskura Do (English: Smile once) is a 1972 Bollywood drama film directed by Ram Mukherjee.
O. P. Nayyar's hit music was one of the plus point of this film.
Particularly, "Tu Auron Ki Kyun Ho Gayi" sung by Kishore Kumar is considered one of his best, heart-touching, passionate and fastest songs.
Lyrics were written by S. H. Bihari, Indeevar and Shevan Rizvi.
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