Bajrayogini (Dakini) originated from Sadhana (meditation) by Siddha (perfect mind) in 10 th CE around. It evolved from Cakrasamvara Tantra, Anuttarayoga Tantra, Mother Tantra.
Early visits to Sankhu, Ugra Tara Yogini, a form of Buddhist Dharmapala Ekajati, is about 20 km from the centre of Kathmandu. A visit to Guhyeshwari as Vajravarahi (Phakmo Ngylchu) which at the bed of Bagmati river is also the root of Swayambhu. Visit to Bijeshwori, Vajra Yogini by the bed of Bishnumati river is also called 'Akash Yogini' or 'Bidyeswori' meaning 'knowledge holder' is at the foot of the Swayambhu stupa. Drive further south east of the Kathmandu valley and you find yourself in 'Pharping Vajrayogini' which is also called 'Akash Yogini'. These bajra yogini are the deities respected by the local Bajrayana Buddhist and Hindu who have many ritual and religious festivals / activities which began in the 10 th CE.