Listen to Karar Ei Louho Kopat online. Karar Ei Louho Kopat is a Bengali language song and is sung by Rupankar. Karar Ei Louho Kopat, from the album Shawkol Kaajer Kaaji, was released in the year 2016. The duration of the song is 3:45. Download Bengali songs online from JioSaavn.