Listen to Oi Mohamanob Ase online. Oi Mohamanob Ase is a Bengali language song and is sung by Swagatalakshmi Dasgupta. Oi Mohamanob Ase, from the album Hey Nutan Rabindra Sangeet, was released in the year 1998. The duration of the song is 3:02. Download Bengali songs online from JioSaavn.