Dattatreya Upanishad is the song of Lord Dattatreya, a sacred dialogue that reveals the essence of Advaita (non-duality) and the eternal truth of the Self. Rooted in the wisdom of the Atharva Veda, this Upanishad unveils Lord Dattatreya as the embodiment of the supreme reality, beyond all distinctions of form and time. It guides seekers toward liberation through knowledge, devotion, and surrender, making it a timeless scripture for all who long to realize the ultimate unity of existence.