Anantharaman, T.R. (1996). Ancient Yoga and Modern Science. New Delhi: Munshiram Manoharlal Publishers Pvt Ltd.
Bhavanani, A.D. (2008). A Primer of Yoga Theory. Pondicherry: Dhivyananda Creations, Iyyangar Nagar.
Bhogal, R.S. (2010). Yoga & Mental Health & Beyond. Lonavla: Kaivalyadhama SMYM Samiti,