Listen to Ar Koto Kal Kandabo online. Ar Koto Kal Kandabo is a Bengali language song and is sung by Najmul Hasan. Ar Koto Kal Kandabo, from the album Ar Koto Kal Kandabo, was released in the year 2021. The duration of the song is 2:50. Download Bengali songs online from JioSaavn.