Listen to Koisilam Vabi Tumar Kase online. Koisilam Vabi Tumar Kase is a Bengali language song and is sung by Nazrul Islam. Koisilam Vabi Tumar Kase, from the album Koisilam Vabi Tumar Kase, was released in the year 2023. The duration of the song is 3:41. Download Bengali songs online from JioSaavn.