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The Advaita & Upanishads Codex is a property of The Codex (LUDIFU), a knowledge documentation service based in Mumbai, Maharashtra, India. We research, organise, and present information drawn exclusively from official, peer-reviewed, institutional, and primary sources. We do not sell products. We do not offer professional services. We do not provide advice of any kind.

The Codex is not a religious organisation, a spiritual school, a sampradāya, or an institution representing any lineage, teacher, or tradition. This Codex documents the Upanishads and Advaita Vedanta as philosophical and textual traditions — with accurate Sanskrit, cited translations, and plain-language explanation at three reading levels.

Every page in this Codex is a record of what verified sources document. It is not a record of what The Codex recommends. When a page explains a philosophical concept — ātman, Brahman, mokṣa, māyā — that is documentation of what the Upanishadic texts and Advaita tradition describe. It is not The Codex recommending that the reader adopt any position, belief, or practice. When a page covers a meditative or contemplative practice mentioned in a primary text, that is documentation of what the text describes. It is not The Codex prescribing a practice for any individual.

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Content covering philosophical traditions, spiritual systems, ancient texts, and cultural traditions is presented as documentation and is entirely non-prescriptive. The Codex does not endorse, promote, recommend, or rank any philosophical system, spiritual tradition, or belief system above any other. All traditions are documented with equal respect and equal neutrality. Nothing in this content is intended to challenge, undermine, or disrespect any belief held by any individual or community.

The Advaita Vedanta tradition documented here is one of several major schools of Vedanta philosophy. This Codex documents it as the primary lens because it is the most systematically developed non-dual interpretation of the Upanishads. It does not imply that Viśiṣṭādvaita, Dvaita, or any other school is inferior. All are legitimate philosophical traditions with their own internal coherence and scholarly heritage.

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In particular: the Codex documents ancient texts that contain references to practices, disciplines, and states of consciousness. These references are documented as historical and philosophical content. Nothing here constitutes advice to undertake any practice, adopt any diet, consume any substance, or change any behaviour. Any decision to adopt a spiritual practice, meditative discipline, or philosophical orientation is a personal decision that should be made with appropriate guidance from qualified teachers, not from a documentation website.

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If any content has caused offence, hurt sentiments, or misrepresented a tradition or community — please contact us. We will review carefully and correct without hesitation. Version 1.0 — April 2026.