Hinduism — or sanatana dharma — contains the world’s oldest and most elaborately developed traditions of reincarnation and karma. The concept of samsara (the cycle of birth, death, and rebirth) and karma (the law of action and consequence) are foundational to nearly all Hindu schools.

Vedic Origins

The earliest traces of rebirth doctrine appear in the Rig Veda, though the full doctrine crystallizes in the Upanishads (c. 800–200 BCE). The Brihadaranyaka Upanishad contains the classic teaching of the soul’s journey: as a caterpillar passes from blade to blade, so the atman passes from body to body, gathering knowledge and karma along the way.

The Chandogya Upanishad distinguishes between two paths after death: the devayana (path of the gods, leading to liberation) and the pitriyana (path of the fathers, leading to return to earthly life), describing a cycle governed by conduct and knowledge.

The Six Orthodox Schools

Each of the six darshanas (philosophical schools) engages karma and rebirth:

  • Vedanta (especially Advaita) — Rebirth results from ignorance (avidya) of the true Self (atman). Liberation (moksha) comes through knowledge of non-duality.
  • Samkhya — The soul (purusha) is eternally distinct from matter (prakriti). Rebirth is the result of the soul’s mistaken identification with material embodiments.
  • Yoga — As practice-based tradition, yoga offers a systematic path to end karmic bondage through meditative discipline (see Yoga and Spiritual Liberation).
  • Nyaya-Vaisheshika — Argues for rebirth through logical inference and atomic theory of the self.
  • Purva-Mimamsa — Focused on ritual action, Mimamsa developed a theory of apurva — the unseen potency of ritual that links action to future results.

Puranic and Epic Traditions

The Mahabharata and Ramayana, along with the Puranas, popularized karma and rebirth in narrative form. The story of Yudhishthira’s tests, the many births of various characters, and the Bhagavad Gita’s teaching that the soul is never born nor dies — “it is not slain when the body is slain” — brought the doctrine to the widest audience.

The Puranas describe the many hells and heavens where souls experience karmic results between births, and the process by which the subtle body (sukshma sharira) transmigrates.

Ritual and Mantra

Frits Staal’s Rituals and Mantras: Rules Without Meaning offers a radical analysis of Vedic ritual as rule-governed activity without semantic content — challenging the Mimamsa and later interpretations that see ritual as having intrinsic meaning or karmic efficacy. Staal’s work raises fundamental questions about the relationship between ritual action, language, and karmic causation: if ritual and mantra operate “without meaning,” how do they influence karmic accumulation? His structural approach provides a counterpoint to the dominant interpretative frameworks in the study of Indian karma theory.

Dharmashastra

The Dharmashastras (law codes) integrate karma with social and ritual duty. As Wendy Doniger’s volume documents, Ludo Rocher shows how the legal texts prescribe expiations (prayashchitta) for sins, acknowledging that unexpiated karma carries over into future lives.

Bhakti and Theistic Traditions

In theistic Vedanta (Ramanuja, Madhva, Chaitanya), karma operates under the governance of a personal God (Vishnu, Shiva, or Devi). Bhakti (devotion) can override karmic accumulation, as divine grace (anugraha) frees the soul. The Bhagavata Purana and the works of the Alvars and Nayanars emphasize that sincere devotion burns up karma like a fire burns dry wood.

The Tamil Tradition

George Hart’s chapter in Doniger’s volume examines reincarnation among the Tamils, where the concept of ul (being, existence) and the role of the poet-seer intersect with karmic theory in distinctive ways, including concepts of fate (vidhi) that interact with — but do not cancel — personal responsibility.

Modern Hindu Thought

Figures like Swami Abhedananda, Sri Aurobindo (see 05-aurobindo), and Ramana Maharshi reinterpreted karma and rebirth for modern audiences. Abhedananda’s Five Lectures on Reincarnation present Vedantic philosophy in dialogue with Western scientific and philosophical thought. The Yoga Vasishta (compiled in the Laghu version) presents a non-dual vision in which the world is a projection of consciousness and liberation is the direct realization of one’s true nature.