Listen to Aj Kato Dar Bhai online. Aj Kato Dar Bhai is a Bengali language song and is sung by Saikat Mitra and Anal Chatterjee. Aj Kato Dar Bhai, from the album Ekdin Pratidin, was released in the year 1992. The duration of the song is 3:31. Download Bengali songs online from JioSaavn.