Listen to Koto Kotha Koto Gaan online. Koto Kotha Koto Gaan is a Bengali language song and is sung by Prashanta Goswami. Koto Kotha Koto Gaan, from the album Madoler Tale Tale, was released in the year 2021. The duration of the song is 2:27. Download Bengali songs online from JioSaavn.