Listen to Kosto Amar Posha Pakhi online. Kosto Amar Posha Pakhi is a Bengali language song and is sung by Protik Hasan. Kosto Amar Posha Pakhi, from the album Bhalobashi Beshe Jabo, was released in the year 2025. The duration of the song is 5:27. Download Bengali songs online from JioSaavn.