Listen to Prabhati Kirtana B37 online. Prabhati Kirtana B37 is a Bengali language song and is sung by Goutam Biswas and Laboni Das. Prabhati Kirtana B37, from the album Prabhati Kirtana B37, was released in the year 2025. The duration of the song is 9:47. Download Bengali songs online from JioSaavn.