Listen to O Tor Koler Chhele online. O Tor Koler Chhele is a Bengali language song and is sung by Hemanta Kumar Mukhopadhyay. O Tor Koler Chhele, from the album Maha Biplabi Aurobindo, was released in the year 1971. The duration of the song is 3:03. Download Bengali songs online from JioSaavn.