Adi Shankara

Life

Adi Shankara was born in the village of Kaladi in present-day Kerala, traditionally dated to 788 CE, though the dating rests on later hagiography and matha records rather than contemporary documentation, and a substantial body of modern scholarship places his life somewhat earlier, around the first half of the 8th century. Accounts agree that his father died while he was young and that he was raised by his mother, Aryamba, and that he showed precocious command of the Vedas and expressed a wish, unusual for a child, to renounce household life and become a sannyasin. Hagiographical tradition holds that his mother initially refused consent and relented only after an incident in which Shankara, seized by a crocodile while bathing, was released when she agreed to let him take ascetic vows.

He studied under Govinda Bhagavatpada, an ascetic teacher settled near the Narmada river, whose own guru, Gaudapada, is the author of the Mandukya Karika, a verse commentary on the Mandukya Upanishad regarded as the earliest systematic statement of positions later developed into full Advaita philosophy. From this lineage Shankara inherited both a textual method — close commentary on the Upanishads, the Bhagavad Gita, and the Brahma Sutras, together known as the prasthanatrayi, the "triple foundation" of Vedanta — and its central claim that the phenomenal world and the individually experienced self are not, at the deepest level, different from Brahman.

Debates and travels

Traditional biographies, above all Madhava's later Sanskrit hagiography Shankara Digvijaya, describe Shankara travelling across the subcontinent engaging rival philosophers in debate, a genre that mixes historically plausible material with legendary embellishment and should be read with that caution. The best-known episode is his debate at Mahishmati with Mandana Mishra, a Mimamsa scholar committed to Vedic ritualism; the contest was reportedly judged by Mandana's wife, Ubhaya Bharati, who after Shankara's victory is said to have challenged him on matters of erotic and household life he had renounced, prompting the legend that he temporarily entered another man's body to gain the necessary experience before returning to defeat her too. Mandana Mishra is traditionally said to have become Shankara's disciple, taking the name Sureshwara. A separate tradition describes an encounter with the Mimamsa philosopher Kumarila Bhatta, though the relative dating of the two figures is disputed and the historicity of a direct meeting is not established.

Philosophy

Shankara's Advaita ("non-dual") Vedanta holds that Brahman, in its highest sense, is without attributes (nirguna) — beyond qualities, form, or change — and that the individual self (atman) is not merely connected to Brahman but identical with it, a claim summarized in Upanishadic statements such as "tat tvam asi" ("that thou art"). The empirical world of distinct objects and selves is explained through the doctrine of maya, a beginningless and indescribable power of appearance that causes Brahman to seem differentiated into a plural world, and through adhyasa, the superimposition of one thing's properties onto another, as when a rope in dim light is mistaken for a snake. Liberation (moksha) is, on this account, not something achieved by action but a recognition already available through correct understanding, chiefly cultivated through study of scripture under a qualified teacher rather than solely through meditation or ritual.

Shankara's system provoked sustained criticism from later theistic Vedantins, most prominently Ramanuja in the 11th–12th century, who developed Vishishtadvaita ("qualified non-dualism") holding that Brahman possesses attributes and that individual selves, while dependent on Brahman, retain real distinctness, and Madhva in the 13th century, whose Dvaita ("dualist") Vedanta rejected identity between self and Brahman altogether. Some rivals, including Ramanuja, accused Shankara of covertly reproducing Buddhist positions on the unreality of the phenomenal world, a charge — "pracchanna bauddha," crypto-Buddhist — that reflects real overlap with Madhyamaka and Yogacara thought on illusion and non-dual awareness, even as Shankara explicitly argued against Buddhist schools and grounded his own system in Vedic authority they rejected.

Works

Shankara's most substantial surviving work is his commentary on the Brahma Sutras, alongside bhashyas on the ten principal Upanishads and on the Bhagavad Gita; together these form the core texts through which later Advaita has been read and taught. The Upadeshasahasri, a prose-and-verse manual of instruction, is widely accepted by scholars as authentically his independent composition rather than commentary. Popular devotional and pedagogical works attributed to him, including the Vivekachudamani (a manual on discrimination between the real and unreal) and the Bhaja Govindam (also called Moha Mudgara, verses on the futility of worldly attachment), are traditional attributions whose authorship modern scholars treat with varying degrees of confidence, since Sanskrit convention allowed disciples and later authors within a lineage to compose works under a founder's name.

The four mathas

Tradition credits Shankara with founding four monastic centres, or mathas, at the cardinal points of the subcontinent, each placed under one of his principal disciples: Sringeri in present-day Karnataka under Sureshwara, Puri in Odisha under Padmapada, Dwarka in Gujarat under Hastamalaka, and Jyotirmath, near Badrinath in the Himalaya, under Totaka. These mathas, each headed by a succession of teachers bearing the title Shankaracharya, remain active centres of Advaita teaching and Hindu religious authority. A fifth institution, the Kanchi Kamakoti Peetham in Tamil Nadu, also claims descent from Shankara and a status equal to or preceding the four traditional mathas, a claim the other mathas do not accept, making its place in the original organization a matter of ongoing dispute rather than settled history.

Later reception

Some scholars have credited Shankara's philosophical victories over Buddhist opponents with hastening the decline of Buddhism in India, though most historians treat this as one contributing strand among many — alongside the loss of royal patronage, the resurgence of devotional Hindu movements, and later the disruption of monastic centres during the era of Turkic invasions — rather than a sufficient explanation on its own. Advaita Vedanta itself continued to develop after Shankara through commentators such as Vachaspati Mishra and Padmapada, who diverged on points of interpretation within the broader system. In the 19th and 20th centuries, Advaita Vedanta gained a further, distinct afterlife through the Neo-Vedanta movement, particularly through Swami Vivekananda, whose 1893 address to the World's Parliament of Religions in Chicago and subsequent lecturing popularized a version of Shankara's non-dualism as a universalist philosophy for an international audience, substantially shaping how Hindu philosophy came to be presented and received outside India.

Death and later commemoration

Traditional accounts place Shankara's death in his early thirties, most commonly at Kedarnath in the Himalaya, though rival local traditions, including one associated with Kanchipuram, claim otherwise, and no version can be verified independently. In September 2023 the Madhya Pradesh state government unveiled a 108-foot statue of Shankara, titled the "Statue of Oneness," on Mandhata hill above the Narmada river at Omkareshwar, timed to commemorate his Brahma Sutra commentary and its theme of non-dual unity — one of several modern monuments through which his memory continues to be publicly marked.