Listen to Oi Kalo Rupe Laj online. Oi Kalo Rupe Laj is a Bengali language song and is sung by Pratima Banerjee. Oi Kalo Rupe Laj, from the album Chayanika Various Shyamasangeet,Vol. 2, was released in the year 1979. The duration of the song is 3:10. Download Bengali songs online from JioSaavn.