Listen to Oi Mahamanab Ase online. Oi Mahamanab Ase is a Bengali language song and is sung by Dakkhini. Oi Mahamanab Ase, from the album Prabhat Sandhya (Rabi Theke Rabindranath), was released in the year 2022. The duration of the song is 3:04. Download Bengali songs online from JioSaavn.