Listen to Kaal Rater Bela Gaan online. Kaal Rater Bela Gaan is a Bengali language song and is sung by Subinoy Roy. Kaal Rater Bela Gaan, from the album Subinoy Roy Chayanika,Vol. 3, was released in the year 1997. The duration of the song is 3:37. Download Bengali songs online from JioSaavn.