Listen to Kaun Kaun Dhanya Hua online. Kaun Kaun Dhanya Hua is a Hindi language song and is sung by Vikash Mehta. Kaun Kaun Dhanya Hua, from the album Sai Abhilasha, was released in the year 2010. The duration of the song is 3:52. Download Hindi songs online from JioSaavn.