Tamil Nadu is a state in the southern part of India, lying along the Coromandel Coast of the Bay of Bengal. It is the home of the Tamil people and the Tamil language, one of the longest-surviving classical languages in the world. The state is known for its Dravidian-style temple architecture, classical arts such as Bharatanatyam and Carnatic music, a long maritime and mercantile history, and a strong industrial and educational base in modern India.
Key facts
| Country | India |
|---|---|
| Region | South India |
| Formation | 26 January 1950 (as Madras State); renamed Tamil Nadu on 14 January 1969 |
| Capital | Chennai (formerly Madras) |
| Largest cities | Chennai, Coimbatore, Madurai, Tiruchirappalli, Salem, Tirunelveli, Erode, Vellore, Tiruppur |
| Official language | Tamil |
| Legislature | Unicameral (Tamil Nadu Legislative Assembly) |
| High Court | Madras High Court |
| Districts | 38 |
| Coastline | Along the Bay of Bengal, among the longest of any Indian state |
Geography
Tamil Nadu is bordered by Puducherry, Andhra Pradesh and Karnataka to the north, Kerala to the west, the Bay of Bengal to the east, and the Indian Ocean and Gulf of Mannar to the south. The Western Ghats run along its western boundary, while the Eastern Ghats traverse the state in a discontinuous chain. Major rivers include the Kaveri (Cauvery), Vaigai, Palar, Tamiraparani, Bhavani and Noyyal. The Nilgiri Hills, Anaimalai Hills and Palani Hills are the principal upland regions, while the Coromandel plain forms the agricultural heartland. The Gulf of Mannar Marine National Park and the Nilgiri Biosphere Reserve are notable protected areas.
History
Ancient and medieval period
Ancient Tamilakam was ruled by the three Tamil dynasties — the Cheras, Cholas and Pandyas — referred to in Sangam literature, the earliest body of Tamil writing. The Pallavas of Kanchipuram (c. 3rd–9th centuries CE) shaped early Dravidian temple architecture, evident at Mamallapuram. The Imperial Cholas (9th–13th centuries) extended Tamil influence across South and Southeast Asia, with Rajaraja I and Rajendra I commissioning the Brihadisvara Temple at Thanjavur. The Pandyas regained prominence in the 13th century, followed by the Vijayanagara Empire and its Nayak successors at Madurai, Thanjavur and Gingee.
Colonial period
European trading powers — the Portuguese, Dutch, Danes, French and British — established footholds along the Coromandel Coast from the 16th century onwards. The British East India Company developed Madras (founded in 1639 with Fort St George) into a major presidency town. The Madras Presidency under the British Raj covered much of present-day Tamil Nadu along with parts of neighbouring states.
Post-independence
After Indian independence in 1947, the Madras Presidency became Madras State. Following the States Reorganisation Act of 1956, boundaries were redrawn on linguistic lines. The state was renamed Tamil Nadu ("land of the Tamils") on 14 January 1969 under Chief Minister C. N. Annadurai.
Politics and government
Tamil Nadu's politics has, since the late 1960s, been dominated by Dravidian parties — principally the Dravida Munnetra Kazhagam (DMK) and the All India Anna Dravida Munnetra Kazhagam (AIADMK) — to the exclusion of national parties at the state level. Influential leaders have included C. N. Annadurai, M. Karunanidhi, M. G. Ramachandran, J. Jayalalithaa and M. K. Stalin. The state legislature is unicameral, and the Governor is the constitutional head, with executive authority exercised by the Chief Minister.
Economy
Tamil Nadu is among the most industrialised states in India, with a diversified economy spanning manufacturing, services and agriculture. Chennai and its surrounding region form a major hub for automobile and auto-component manufacturing, often described as the "Detroit of India". Coimbatore is a centre for textiles, engineering and pump manufacturing; Tiruppur is a leading knitwear export cluster; and Hosur hosts large-scale electronics and auto industries. The state has a significant information technology and business process services sector concentrated in Chennai and Coimbatore. Banking and financial services have a long history in the state — institutions such as the Karur Vysya Bank, Indian Bank, Indian Overseas Bank, City Union Bank, Lakshmi Vilas Bank and Tamilnad Mercantile Bank were founded in Tamil Nadu. Agriculture remains important, with rice, sugarcane, cotton, groundnut, banana and turmeric among the main crops, supported by extensive canal and tank irrigation in the Cauvery delta.
Demographics and language
Tamil is the official language and the mother tongue of the overwhelming majority. English is widely used in administration, higher education and industry. The state has significant Hindu, Muslim, Christian and Jain communities, with a long tradition of religious pluralism. Tamil Nadu has historically been associated with high literacy, urbanisation and human development indicators relative to the national average.
Culture
Tamil Nadu has a continuous literary tradition spanning more than two millennia, from Sangam poetry to modern writers such as Subramania Bharati. Classical art forms include Bharatanatyam dance and Carnatic music, with Chennai's annual December music season being a major cultural event. Temples such as the Meenakshi Amman Temple at Madurai, the Brihadisvara Temple at Thanjavur, the shore temples of Mamallapuram and the Ranganathaswamy Temple at Srirangam are among the state's best-known monuments. Tamil cinema, centred in Chennai's Kodambakkam neighbourhood ("Kollywood"), is one of the largest film industries in India.
Education
Major institutions include the Indian Institute of Technology Madras, Anna University, the University of Madras, the Indian Institute of Management Tiruchirappalli, the National Institute of Technology Tiruchirappalli, the Madras Medical College, the Christian Medical College Vellore, and a large network of state and private engineering and arts colleges.
Transport
Chennai is a major port city and serves as the hub of road, rail and air transport in the south. Other significant ports include Ennore (Kamarajar), V. O. Chidambaranar (Tuticorin) and Karaikal (in Puducherry, but linked to Tamil Nadu's hinterland). The state has one of the largest road networks in India and is served by the Southern Railway zone. International airports operate at Chennai, Coimbatore, Tiruchirappalli and Madurai.
Significance
Tamil Nadu is significant for its preservation of a classical language and literary culture, its role in shaping Dravidian temple architecture, its contribution to Indian industry and finance, and its distinctive political tradition. Its cities, ports and educational institutions have made it one of the principal economic and cultural centres of southern India.