Listen to Onnanam Kochu Thumbi online. Onnanam Kochu Thumbi is a Malayalam language song and is sung by V. Madhusoodanan Nair. Onnanam Kochu Thumbi, from the album Raakiparakkunna Chemparunthe, was released in the year 2012. The duration of the song is 4:12. Download Malayalam songs online from JioSaavn.