Listen to Aaj Achhi Kaal Kothay online. Aaj Achhi Kaal Kothay is a Bengali language song and is sung by Alpana Banerjee. Aaj Achhi Kaal Kothay, from the album Agnipariksha, was released in the year 1955. The duration of the song is 3:02. Download Bengali songs online from JioSaavn.