Listen to Mahamantra Om Namah Shivay online. Mahamantra Om Namah Shivay is a Hindi language song and is sung by Roopkumar Rathod. Mahamantra Om Namah Shivay, from the album Mahamantra Om Namah Shivay, was released in the year 2021. The duration of the song is 44:32. Download Hindi songs online from JioSaavn.