Chanting Gayatyri Mantra 24 times with Gurudev is equal to chanting 24,000 times. Participate in World Peace by chanting Gayatri Mantra for just 5 minutes a day. Chanting Gayatri Mantra creates spiritual vibrations that brings about a positive change to ourselves and our immediate environment. For uses of chanting Gayatri - http://awgpsouth.org/gayatri.htm
Pr.Shriram Sharma Acharya the pioneer of Scientific Spirituality gave a boon to entire humanity by making Gayatri universal Mantra and another boon given by him can be viewed in this video. The four kinds of sounds utilized and stored the Gayatri Mantra in the cosmos for humanity which can be accessed by chanting with his voice.