Listen to Koto Koste Beche Achi online. Koto Koste Beche Achi is a Bengali language song and is sung by Razib Khan. Koto Koste Beche Achi, from the album Koto Koste Beche Achi, was released in the year 2025. The duration of the song is 4:21. Download Bengali songs online from JioSaavn.