Listen to Gayatri Mantra - Hayagreev Mantra online. Gayatri Mantra - Hayagreev Mantra is an English language song and is sung by Shankar Mahadevan. Gayatri Mantra - Hayagreev Mantra, from the album Chants For Wisdom, was released in the year 2005. The duration of the song is 7:44. Download English songs online from JioSaavn.