Avadhuta is a truly renunciate, realized and wandering MahaYogi. Ancient MahaYogi Dattatreya's revelations to the world The Avadhuta Gita. Dattatreya is considered by many as an incarnation of Lord Shiva. Atma is Deva, or god, the ethereal Consciousness and lord of the world in all beings at the After-effect-poise of Kriya, just like Brahma, the ultimate Self. That marvelous state is Niskala. That is, the air of the outside remains outside, the focus of the eye is in between the eyebrows, Prana and Apana remain In Samana, and inhaling remains in the nostril.

Chandra Shekhar Kumar is a direct disciple of Lord Maharishi Hiranyagarbha. He is Founder of Ancient Kriya Yoga Mission and Co-Founder of Ancient Science Publishers. He holds a degree of Integrated M.Sc.(5 yrs) in Physics from IIT Kanpur.

Lahiri Mahasaya is a direct disciple of Mahavatar Babaji who is a direct disciple of Lord Maharishi Hiranyagarbha.