Sri Vijnana Bhairava Tantra: The Ascent
"You do not have to bring the light from outside.Work hard and purify yourself:the light will unfold from within."this is the advice given to Swami Satyananda Saraswati author of "Asana Prana Yama Mudra Bandha.".Swami Satyasangananda Saraswati is a perfect example and recipient of this advice from none other than her master Swami Satyananda Saraswati.Under his guidance and care she has herself become a great exponenet of Tantra.