Buddhism did not vanish from India in one event. It lost its footing over many centuries, in stages. First it lost the royal and merchant patronage its monasteries depended on. Then it lost lay followers to a devotional Hinduism that offered them more. By the time the last great monasteries of Bihar and Bengal were destroyed, they were already the final strongholds of a religion that had been shrinking for generations (§8, §9).[1] The majority of historians describe the decline as institutional and economic. Violence played a real part, but mostly at the end.
The evidence
A religion of monasteries, funded from outside
From the start, Indian Buddhism was organised around monks and nuns. They did not farm, so they depended on gifts. In the Mauryan period the gifts came from the top. Ashoka calls himself a lay follower in his own inscriptions, freed Lumbinī of the bali tax and left it liable to only an eighth share “because here the Buddha was born,” and addressed the monastic community directly.[2][3][4] He also funded the Ājīvikas and told his officials to honour all sects.[5][6] Royal patronage in India was plural from the beginning, and that pluralism cut both ways: support could shift elsewhere.
The next layer of support was broad and commercial. The railings of the stūpas at Sanchi and Bharhut, c. 150–50 BCE, carry donor inscriptions in quantity, including gifts from named women, nuns and guilds.[7] This is a religion paid for by the trading towns. When patterns of urban and royal wealth changed, so did Buddhism’s income.
Patronage moves to temples and brahmins
The Gupta age (c. 320–550 CE) is the turning point. Gupta kings styled themselves devotees of Viṣṇu and minted Garuḍa coins, while still endowing Buddhist institutions.[1] The long-term shift, though, shows in thousands of copper plates. Kings granted tax-free land in perpetuity to brahmins (agrahāra, brahmadeya) and to temples.[8] Brahmin status now had an independent economic base. The temple became a permanent, endowed institution, and in later centuries temples became landlords, employers and banks.[9][10] A monastery needed continuous giving. A brahmin village held its land permanently.
At the same time the Purāṇas gave laypeople what Buddhist monasticism mostly did not: pilgrimage, household vows, festivals, and a personal god to love. None of these required Sanskrit or ordination.[11] From about the 6th to the 13th century, Śaivism in particular became the dominant religious force in India, with royal initiations, Tantric ritual and endowed temples.[12]
The Buddha becomes an avatar of Vishnu
Vaiṣṇava theology absorbed the Buddha instead of refuting him. As the list of Viṣṇu’s avatāras settled toward the standard ten, the Buddha took his place in it.[11] §8 is careful about what this means: the absorption is a symptom of the process, not its cause.[1] A religion whose founder can be honoured as one of your own god’s appearances no longer looks like a rival that has to be chosen. For a lay household, the practical difference between the two narrowed.
The last strongholds, and their end
By the period of §9 (c. 650–1200), Buddhism’s Indian base had contracted largely to the east. Bengal and Bihar sustained the last major institutions, above all the great monastic universities of Nālandā and Vikramaśīla.[1] These were concentrated targets. The Turkish conquests of the Gangetic plain, which led to the founding of the Delhi Sultanate around 1206, destroyed or crippled them. A Persian chronicle describes Muhammad Bakhtiyār Khalji’s troops sacking a fortified monastery in Bihar around 1200 and killing its monks, and a Tibetan pilgrim of 1234–36 found Vikramaśīla razed. The same pilgrim found Nālandā damaged but still teaching about seventy monks: it was not ended in a single raid.[13][14][15] §8 summarises the majority view: later invasions destroyed institutions that were already weakened.[1] A religion with village temples and household rites can survive the loss of its great centres. A religion concentrated in a few large monasteries often cannot.
A short timeline
| Date | What happens | Confidence |
|---|---|---|
| c. 400 BCE (±20 years) | The Buddha’s death, on the current working default[16][17] | Contested |
| c. 268–232 BCE | Ashoka, a Buddhist lay follower who funds several sects[2][5] | Consensus |
| 185 BCE | Puṣyamitra Śuṅga; persecution alleged by later Buddhist texts[18] | Contested |
| c. 150–50 BCE | Sanchi and Bharhut railings: a broad lay donor economy[7] | Consensus |
| c. 320–550 CE | Gupta land grants to brahmins and temples; Buddhist endowments continue[8] | Consensus |
| c. 6th–13th c. | The “Śaiva age”[12] | Majority |
| c. 700–750 CE | Śaṅkara; later hagiography credits him with defeating Buddhism[19] | Contested |
| c. 650–1200 | Nālandā and Vikramaśīla as the last great Indian Buddhist centres (§9)[1] | Majority |
| c. 1192–1206 | Conquest of the north; Delhi Sultanate founded[20] | Consensus |
| c. 1200 | Bakhtiyār Khalji’s troops sack a monastery in Bihar; Vikramaśīla razed[13][14] | Majority |
| 1234–36 | Dharmasvāmin finds Nālandā damaged, with about seventy monks[14] | Consensus |
| 1956 | Ambedkar converts to Buddhism at Nagpur with several hundred thousand followers[21] | Consensus |
What scholars disagree about
Was Buddhism persecuted by Hindu kings? Buddhist sources, especially the Aśokāvadāna in the Divyāvadāna, accuse the Śuṅga king Puṣyamitra of destroying monasteries and paying bounties for monks’ heads.[22][23] The strongest modern version of this view is Giovanni Verardi’s, who argues at length that Brahmanical hostility, not Islam, did most of the damage to Indian Buddhism; Martin Delhey, among others, finds that reading extreme.[24][15] Against the Puṣyamitra story: the accusation is late and hostile, and archaeology shows Buddhist building continuing at Sanchi and Bharhut under the Śuṅgas.[7][25] A Brahmanical revival is plausible. A persecution has not been established. Contested
Did Shankara defeat Buddhism in debate? This is a popular claim and largely a later hagiographical construction. Śaṅkara did argue against Buddhist schools, and later Vedāntin critics, Vijñānabhikṣu among them, called his Advaita a crypto-Buddhism (pracchanna-bauddha) because of its debts to Madhyamaka and Yogācāra thought (§9).[26][19] The decline had begun before him and continued long after. Majority
Was Islam the cause? Popular accounts often make the conquests around 1200 the whole story. The destruction of the great monasteries was real, and it was final for them: the contemporary and near-contemporary sources, Persian and Tibetan, both attribute it to Turkic troops.[13][14] Most historians nevertheless see it as the last stage of a long process: it struck institutions that had already lost most of their patronage and lay base, and the fall of the Pāla and Sena kings removed the patrons who might have rebuilt them (§8).[1][15] Majority
Absorption or competition? Some scholars emphasise how much Buddhism and Brahmanism came to share in practice, so that the boundary blurred.[27] Others emphasise hard economic competition for land and royal favour.[10] These accounts are compatible. Each single-cause story, whether Hindu persecution, Muslim destruction or peaceful absorption, fits one modern political argument better than it fits the evidence. Political
Common misconceptions
- “Buddhism disappeared suddenly.” The decline ran from the Gupta period to about 1200, around seven centuries.[8][1]
- “Buddhism was never really separate from Hinduism.” In the period that matters here, the main religious divide in India was Vedic against Śramaṇa, not Hindu against Buddhist, and Buddhism rejected the Veda and the authority of brahmins outright (§6).[28][29]
- “Buddhism is gone from India.” It survived at the Himalayan margins. In 1956 Ambedkar’s conversion at Nagpur began Navayāna Buddhism, and the 2011 census counted 8.4 million Buddhists in India, about 6.5 million of them in Maharashtra. Ambedkar’s vows at the conversion explicitly rejected the Hindu gods and the Buddha’s status as an avatar of Viṣṇu (§12).[30][31][21]
Why it matters
The disappearance of Buddhism from its homeland is often told as a morality tale about someone else’s violence. The evidence suggests a more instructive story: Indian religions competed for patrons as well as for truth. Hinduism kept much of what it had absorbed from the Buddhists. That includes, above all, the prestige of non-violence and vegetarianism (§6). The loss was of Buddhism’s Indian institutions, not of its ideas.[29]
For the full story, see §6 on the renouncer movements and §8 on the Gupta patronage shift. The Buddhist side of the same centuries, from the monastic universities to the last Indian monasteries, is told in How Buddhism Evolved, and the fate of Nālandā in particular in Was Nālandā destroyed by Bakhtiyar Khilji?
References
- ^ a b c d e f g h Romila Thapar Early India: From the Origins to AD 1300. Penguin, 2002. full text The best single-volume political and social history for this whole span.
- ^ a b Minor Rock Edict 1 — Ashokan edicts. c. 258 BCE. Prakrit in Brāhmī. Names the king as Asoka personally and records that he has been a lay follower for over two and a half years — his Buddhist affiliation in his own voice. read the text
- ^ Rummindei pillar — Lumbinī. c. 249 BCE. Prakrit in Brāhmī. Lumbinī freed of the bali tax and liable to only an eighth share because "here the Buddha was born, the Sakyamuni" — the earliest datable evidence for veneration of the birthplace.
- ^ Calcutta-Bairāṭ edict — Bairāṭ, Rajasthan. c. 250 BCE. Prakrit in Brāhmī. Ashoka addresses the saṅgha directly and names seven texts he wants monks, nuns and laypeople to hear often. The only Ashokan list of Buddhist texts, and several can be matched to suttas that still survive. read the text
- ^ a b Barabar cave dedications — Ashoka and Daśaratha. c. 250–230 BCE. Prakrit in Brāhmī. Rock-cut caves endowed to the **Ājīvikas** by name — the only contemporary documentary evidence for the sect. At one cave the word "Ājīvika" was later effaced. read the text
- ^ Rock Edict 12 — Ashokan edicts. c. 257 BCE. Prakrit in Brāhmī. Honour other sects; praising your own by disparaging others harms your own. A novel theory of plural government. read the text
- ^ a b c Sanchi and Bharhut railings — Madhya Pradesh. c. 150–50 BCE. Stūpa railings carrying donative inscriptions in quantity — including gifts by named women, nuns and guilds, evidence of a broad lay donor economy. about
- ^ a b c D. C. Sircar Select Inscriptions Bearing on Indian History and Civilization. University of Calcutta, 1965. full text Where to find the Heliodorus, Ghoṣuṇḍī and Ashokan texts in the original.
- ^ Michael Willis The Archaeology of Hindu Ritual: Temples and the Establishment of the Gods. Cambridge University Press, 2009. Includes the re-edition that undoes the "first Tantric temple" reading of Gaṅgdhār.
- ^ a b Johannes Bronkhorst How the Brahmins Won: From Alexander to the Guptas. Brill, 2016. How a priesthood without state power became indispensable to states.
- ^ a b Ludo Rocher The Purāṇas. Harrassowitz, 1986. open library The standard survey, and the clearest statement of why Purāṇas resist dating.
- ^ a b Alexis Sanderson "The Śaiva Age: The Rise and Dominance of Śaivism during the Early Medieval Period". in Shingo Einoo, ed., Genesis and Development of Tantrism (Institute of Oriental Culture, University of Tokyo), pp. 41–349, 2009. full text The argument that Śaivism, not Vedānta, was the dominant religious force of the age.
- ^ a b c Ṭabaqāt-i Nāṣirī (Raverty, vol. 1, p. 552) — Minhāj al-Sirāj Jūzjānī. c. 1260 CE. Persian. Muhammad Bakhtiyār Khalji's troops take a fortified 'Bihar', kill its shaven-headed inhabitants and find it full of books: a Buddhist monastery, probably Odantapurī, sacked around 1200. about
- ^ a b c d Biography of Dharmasvāmin — Chos dpal dar dpyang. 13th c. CE. Classical Tibetan. Eyewitness of Bihar in 1234–36: Vikramaśīla razed by Turkic troops and its stones thrown into the Ganges; Nālandā damaged but still teaching about seventy monks under its aged abbot. about
- ^ a b c Martin Delhey "The Library at the East Indian Buddhist Monastery of Vikramaśīla: An Attempt to Identify Its Himalayan Remains". manuscript cultures 8, 2015. open access A careful, open-access account of the eastern monasteries' end, with the key Persian and Tibetan sources quoted.
- ^ Heinz Bechert, ed. The Dating of the Historical Buddha. Vandenhoeck & Ruprecht, 3 vols., 1991. The symposium that unsettled the traditional dates — and reached no consensus.
- ^ L. S. Cousins "The Dating of the Historical Buddha: A Review Article". Journal of the Royal Asiatic Society 6, 1996. doi Where the c. 400 BCE working default comes from.
- ^ Romila Thapar Aśoka and the Decline of the Mauryas. Oxford University Press, 3rd ed., 2012. open library
- ^ a b Wilhelm Halbfass Tradition and Reflection: Explorations in Indian Thought. SUNY Press, 1991. full text On Śaṅkara and his Mīmāṃsā opponents.
- ^ Richard M. Eaton India in the Persianate Age, 1000–1765. Penguin / University of California Press, 2019. doi The current standard synthesis of the period.
- ^ a b Scott R. Stroud The Evolution of Pragmatism in India: Ambedkar, Dewey, and the Rhetoric of Reconstruction. University of Chicago Press, 2023. Why Ambedkar rejected the reformist "authentic ancient core" move: Dewey's meliorism made him hostile to arguments from origin.
- ^ Aśokāvadāna — Divyāvadāna. c. 2nd c. CE. Buddhist Sanskrit. The North Indian legend of Ashoka: the dirt offering of his past life, the hell-prison, conversion by a monk, 84,000 stupas, the pilgrimage with Upagupta, and the half myrobalan given at his death. about
- ^ John S. Strong The Legend of King Aśoka: A Study and Translation of the Aśokāvadāna. Princeton University Press, 1983. Translation and study of the North Indian legend, read as a theology of kingship and gift rather than as failed history.
- ^ Giovanni Verardi Hardships and Downfall of Buddhism in India. Manohar, 2011. Argues that Brahmanical hostility, not Islam, was the main force against Indian Buddhism. Provocative and widely disputed.
- ^ Julia Shaw Buddhist Landscapes in Central India: Sanchi Hill and Archaeologies of Religious and Social Change. British Association for South Asian Studies, 2007. full text Landscape archaeology around the site §7 and §8 both use.
- ^ Andrew J. Nicholson Unifying Hinduism: Philosophy and Identity in Indian Intellectual History. Columbia University Press, 2010. full text Argues that the unification of Hinduism was the work of Indian philosophers from the fourteenth to the seventeenth centuries, well before the British — a key correction to the strong constructionist thesis.
- ^ Johannes Bronkhorst Buddhism in the Shadow of Brahmanism. Brill, 2011. full text
- ^ Dhp 393 — Dhammapada. c. 300 BCE. Pali. "Not by matted hair, not by lineage, not by birth" — the Śramaṇa attack lands on hereditary claim, not on ritual technique. read the text
- ^ a b Richard Gombrich Theravāda Buddhism: A Social History. Routledge, 2nd ed., 2006. A social history of Theravāda from the Buddha to modern Sri Lanka: strong on the Brahmanical background, the monastic-royal compact and caste in the saṅgha.
- ^ Census of India 2011, religion data — Office of the Registrar General of India. 2011 (released 2015). English. Counts 966 million Hindus (79.8 percent of India) and 8.44 million Buddhists (0.7 percent), about 6.5 million of the latter in Maharashtra.
- ^ The twenty-two vows — B. R. Ambedkar, Nagpur. 14 October 1956. Marathi. The vows Ambedkar administered at his conversion: no faith in Brahmā, Viṣṇu and Maheśa, Rāma or Kṛṣṇa; denial that the Buddha was an avatar of Viṣṇu; and a commitment to equality. about
