Listen to Om Namah Shivay - Mahamantra online. Om Namah Shivay - Mahamantra is a Hindi language song and is sung by Pramod Karnad. Om Namah Shivay - Mahamantra, from the album Om Namah Shivay - Mahamantra, was released in the year 2010. The duration of the song is 51:18. Download Hindi songs online from JioSaavn.