Upanishads Chandogya Upanishad: first mention of the Nadis The oldest of the Upanishad texts originated from the 6th century B.C. – including the Chandogya Upanishads. This extract from chapter VIII.6 is perhaps the first mention of the Nadis.
Upanishads Katha Upanishad: Nadis – Energy channels of the heart The Katha-Upanishad originates from the 5th century B.C:- in this extract from chapter II. iii The discussion is about the nadis, the energy channels of the heart.
Upanishads Yoga Shikha Upanishad: about Hatha yoga and Raja yoga The Yoga Shikha Upanishad probably originated from the 13th century. This extract from the first chapter perhaps present the earliest known tantric view of Hatha yoga and Raja yoga. This Upanishad is also the oldest text in which the two terms are The Yoga Shikha Upanishad probably originated from the 13th century. This extract from the first chapter perhaps present the earliest known tantric view of Hatha yoga and Raja yoga. This Upanishad is also the oldest text in which the two terms are defined.
