Cundī dhāraṇī or mantra also very first appeared while in the Kāraṇḍavyūhasūtra: namaḥ saptānāṃ samyaksaṃbuddha koṭīnāṃ tadyathā oṃ cale cule cunde svāhā The Durga Gayatri mantra is devoted to Goddess Durga, celebrated for her strength and protecting ability. This is mentioned for being the globe strongest mantra chanted by Hindus https://www.facebook.com/share/1J6iVuTuXb/