Listen to Kya Hua Tera Vada - What Happened To Your Promise - Hum Kisi Se Kum Nahin online. Kya Hua Tera Vada - What Happened To Your Promise - Hum Kisi Se Kum Nahin is a Hindi language song and is sung by Sonu Nigam, Gunjan and Cbso. Kya Hua Tera Vada - What Happened To Your Promise - Hum Kisi Se Kum Nahin, from the album Rafi Resurrected - Sonu Nigaam, was released in the year 2008. The duration of the song is 4:25. Download Hindi songs online from JioSaavn.