Movie : Lahu Ke Do Rangbr Song Name : Muskuraataa Huaa Gul br Singer : Kishore Kumarbr Lyricist : Farooq Qaisarbr Music Director : Bappi Lahiribr Director : Mahesh Bhattbr Star Cast : Shammi, Vinod Khanna, Shabana Azmi, Danny Denzongpa, Ranjeet, Helen, Prema Narayan, Indrani Mukherjee