Shandilya Upanishad is also known as the Shandilya Yoga Sutras. According to Alain Daniélou this Upanishad is one of the three Upanishads in the genre of the Hatha yoga; the others are the Darshana Upanishad and the Yoga-kundalini Upanishad. The "Shandilya Upanishad" is structured as three chapters with many sections in each chapter. The first chapter of the text deals with Ashtanga Yoga. It contains eleven sections. The other Chapters have a single section each. The Second chapter is comparatively a smaller one and expounds the Brahma Vidya. The Third Chapter talks about the nature and forms of Brahman: Sakala Brahman, Niskala
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,