Listen to Onathumbi Omanathumbi online. Onathumbi Omanathumbi is a Malayalam language song and is sung by Mahesh Manakkayam. Onathumbi Omanathumbi, from the album Onathumbi Omanathumbi, was released in the year 2023. The duration of the song is 5:39. Download Malayalam songs online from JioSaavn.