Listen to Ong Namo Gurudev Namo online. Ong Namo Gurudev Namo is a Hindi language song and is sung by Meditative Mind. Ong Namo Gurudev Namo, from the album Mantras for Positive Energy, was released in the year 2017. The duration of the song is 11:36. Download Hindi songs online from JioSaavn.