Here you can read Aitareya Upanishad with commentaries of the famous Hindu Advaita Vedanta Swāmī Shankara-Ācārya (788-820) online. Aitareya Upanishad is contained in the Ṛig Veda and forms a part of the Aitareya Āraṇyaka. The Aitareya Upanishad is a short prose text, divided into 3 chapters, containing 33 verses. It comprises the 4-5th and 6th chapters of the Aitareya Āraṇyaka. It is one of the Classical 11 Upanishads.