The Inner Tantras are the final three divisions in the ninefold division of practice according to the Nyingma school of Tibetan Buddhism. They comprise the Mahayoga, Anuyoga and Atiyoga. This system divides the whole of the Buddhist path into three divisions of three and is in contrast to the division of the Sarma, or New Translation schools which use a fourfold division. The three divisions of the Inner Tantra correspond roughly to the highest category of tantras of the New Translation schools, there known as Anuttarayoga Tantra.
Ekajati is Mahacinatara also known as one of the 21 Taras. Ekajati is along with Palden Lhamo deity is one of the most powerful and fierce goddesses of VajrayanaBuddhist mythology.
Ekajati is the protector of secret mantras and "as the mother of the mothers of all the Buddhas" represents the ultimate unity. She is the most important protector of the Vajrayana teachings, especially the Inner Tantras and terms.
The History of the Deity Ekajati
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