She's an Avatar on Babaji’s amount who may have manifested in latest instances as Bhairavi Brahmani, the tantric guru of Sri Ramakrishna Paramahamsa. There is a cave near Gangotri where Babaji and Mataji did sadhana with each other many hundreds of years ago. Her yantra, offered towards the author by https://bookmarkprobe.com/story14949644/yantra-for-dummies