Listen to Maanathin Muttathu F online. Maanathin Muttathu F is a Malayalam language song and is sung by S. Janaki and M.K. Arjunan. Maanathin Muttathu F, from the album Karutha Pournami, was released in the year 1968. The duration of the song is 3:10. Download Malayalam songs online from JioSaavn.