Aur Kaun? is a 1979 Bollywood horror film directed by Shyam Ramsay and Tulsi Ramsay . The music of the film composed by Bappi Lahiri was popular in 1979 specially the song Haan Pehli Baar sung by Kishore Kumar.The title song was sung by Lata Mangeshkar in her haunting melody style.
Source: Wikipedia