Listen to Aj Khushi Ke Mausam Hai online. Aj Khushi Ke Mausam Hai is a Bengali language song and is sung by Sumana Chakraborty. Aj Khushi Ke Mausam Hai, from the album Hate Hat Dhore, was released in the year 2017. The duration of the song is 4:08. Download Bengali songs online from JioSaavn.