Listen to Aar Koto Kaal Bolo online. Aar Koto Kaal Bolo is a Bengali language song and is sung by Amit Kumar, Toton Kumar and Asha Bhosle. Aar Koto Kaal Bolo, from the album Bhoy, was released in the year 2022. The duration of the song is 3:49. Download Bengali songs online from JioSaavn.