Listen to Kya Hawa Kya Badal online. Kya Hawa Kya Badal is a Hindi language song and is sung by Kailash Kher and Kailasa. Kya Hawa Kya Badal, from the album Aa Ja Re Piya, was released in the year 2015. The duration of the song is 7:07. Download Hindi songs online from JioSaavn.