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
Ashtanga vinyasa yoga classes in similar style, offering posture variations, and teaching Ashtanga in a much less linear style, with a greater emphasis on alignment and breathing. Sharath's "new generation" of young students have adopted Sharath's new rules, and teach in a linear style without variations. According to the Sharath generation, variations are not allowed, and practice must be in a strict Mysore environment under the guidance of a Sharath-approved teacher. How-to videos & workshops, detailed alignment instructions, and strength-building exercises are not part of the method, neither for the practitioner or the teacher. These types of instruction are not approved by Sharath,