Listen to Natto Mangoler Kotha Shune Purnoban online. Natto Mangoler Kotha Shune Purnoban is a Bengali language song and is sung by Humayun Ahmed. Natto Mangoler Kotha Shune Purnoban, from the album Eki Kando, was released in the year 2000. The duration of the song is 42:53. Download Bengali songs online from JioSaavn.