Cundī dhāraṇī or mantra also first appeared inside the Kāraṇḍavyūhasūtra: namaḥ saptānāṃ samyaksaṃbuddha koṭīnāṃ tadyathā oṃ cale cule cunde svāhā The Durga Gayatri mantra is dedicated to Goddess Durga, celebrated for her energy and protective electrical power. This is often reported to become the earth strongest mantra chanted by Hindus https://tantramantraaurvigyaan.com/