Listen to Yeh Kya Hua online. Yeh Kya Hua is a Hindi language song and is sung by R.D. Burman and Kishore Kumar. Yeh Kya Hua, from the album All The Best - Dekha Ek Khwab, was released in the year 2001. The duration of the song is 4:34. Download Hindi songs online from JioSaavn.