Listen to Aalu Kachalu Kahan Gaye The online. Aalu Kachalu Kahan Gaye The is a Bengali language song and is sung by Deepa Roy. Aalu Kachalu Kahan Gaye The, from the album Aalu Kachalu Kahan Gaye The, was released in the year 2022. The duration of the song is 1:45. Download Bengali songs online from JioSaavn.