Hatha yoga and Swami Satchidananda of Integral Yoga. After about 1975, yoga techniques have become increasingly popular globally, in both developed and developing countries. The Bihar School of Yoga has been one of the largest Hatha yoga teacher training centers in India but is little known in Europe and the Americas. In the West, Krishnamacharya-linked schools have been more widely known. Examples of other branded forms of yoga, with some controversies, that make use of Hatha yoga include Anusara Yoga, Ashtanga Yoga, Bikram Yoga, Integral Yoga, Iyengar Yoga, Jivanmukti Yoga, Kundalini Yoga, Kripalu Yoga, Kriya Yoga, Viniyoga, Vinyasa Yoga and White Lotus
Aparoksha from which unity of existence is derived. This knowledge is gained by establishing a "guru-shishya sambandha" (Guru-shishya tradition) with a teacher who has already experienced that kind of knowledge (Aparoksanubhuti); the karma or acts required to be done, after gain of "Aparoksha jnana" is "Vidya-karma" which consists in "sravana" (hearing of srutis), "manana" (reflection) and "nididhyasana" (meditation on Brahman). Aparoksha is "savikalpa jnana" (knowledge) when one re-recognizes the non-dual nature of the ever-realized Self (Tat Tvam Asi), it is the immediate knowledge gained through the "pramanas"; practice of "Dhyana" (meditation) removes all "vikalpas" (varied thoughts) and leads to "nirvikalpa" or