Listen to Sob Loke Koy Lalon online. Sob Loke Koy Lalon is a Bengali language song and is sung by Kiron Chandra Roy. Sob Loke Koy Lalon, from the album Jaat Gelo Jaat Gelo, was released in the year 2008. The duration of the song is 5:18. Download Bengali songs online from JioSaavn.