Gayatri Mantra has been chronicled in Rig Veda which was written in Sanskrit some 3500 years ago. However, it is believed that this mantra has been chanted long before it was recorded in the text.
Chanting Gayatri Mantra has been a part of the Hindu traditions for long, and it is considered one of the most important mantras.
This very light weight offline app runs chanting in background.
Play this Mantra daily and spread positivity around you.