Listen to Ar Koto Kal Porer online. Ar Koto Kal Porer is a Bengali language song and is sung by Anuradha Bhattacharjee. Ar Koto Kal Porer, from the album Ar Koto Kal Porer, was released in the year 2009. The duration of the song is 7:02. Download Bengali songs online from JioSaavn.