Listen to Oparete Kalo Rang online. Oparete Kalo Rang is a Bengali language song and is sung by Mehuli and Priyadarshi. Oparete Kalo Rang, from the album Gaane Gaane Aro Chhara,Vol. 1, was released in the year 1994. The duration of the song is 1:45. Download Bengali songs online from JioSaavn.