Listen to Dil Aaj Bahot Khush Hai online. Dil Aaj Bahot Khush Hai is a Hindi language song and is sung by Chandrani Mukherjee and N. Dutta. Dil Aaj Bahot Khush Hai, from the album Aag Aur Toofan, was released in the year 1974. The duration of the song is 5:41. Download Hindi songs online from JioSaavn.