Listen to Koi Bechara Dil Kho Kar online. Koi Bechara Dil Kho Kar is a Hindi language song and is sung by Lata Mangeshkar and Hemant Kumar. Koi Bechara Dil Kho Kar, from the album Sannata, was released in the year 1966. The duration of the song is 3:27. Download Hindi songs online from JioSaavn.