Listen to Om Mangalam Bajrang - Dhun online. Om Mangalam Bajrang - Dhun is a Hindi language song and is sung by Hemant Chauhan. Om Mangalam Bajrang - Dhun, from the album Bapa Ne Bhajo Din Raat, was released in the year 2008. The duration of the song is 8:04. Download Hindi songs online from JioSaavn.