Listen to Amar Ek Khan Kotha Biyaisab online. Amar Ek Khan Kotha Biyaisab is a Bengali language song and is sung by Nargis Akter. Amar Ek Khan Kotha Biyaisab, from the album Biyer Gaan, was released in the year 1994. The duration of the song is 4:15. Download Bengali songs online from JioSaavn.