Listen to Gayatri Mantra - Instrumental online. Gayatri Mantra - Instrumental is a Hindi language song and is sung by Raghav Sachar. Gayatri Mantra - Instrumental, from the album Raghav Sachar's Gayatri Mantra, was released in the year 2018. The duration of the song is 4:05. Download Hindi songs online from JioSaavn.