Ethnic groups of Tamil Nadu Ethnic groups of Tamil Nadu Tamil Nadu is one of the 29 states of India. Its capital and largest city is Chennai (formerly known as Madras). Tamil Nadu lies in the southernmost part of the Indian Peninsula and is bordered by the States of Puducherry, Kerala, Karnataka and Andhra Pradesh. It is the eleventh largest state in India and the seventh most-populous state. As of 2001 census, Tamil is spoken as the first language by 88.43% of the population followed by Telugu by 5.65 percent, Kannada by 2.68 percent, Urdu by 1.51 per cent, Hindi by 0.64 percent, Malayalam by
Economy of Tamil Nadu of the Government of Tamil Nadu with figures in millions of Indian Rupees. See also and . Non-tax revenues of local bodies are excluded. Amount in millions Economy of Tamil Nadu Tamil Nadu has the second-largest economy in India. Over 50% of the state is urbanized, accounting for 9.6% of the urban population in the country, while only comprising 6% of India's total population. Services contributes to 45% of the economic activity in the state, followed by manufacturing at 34% and agriculture at 21%. Government is the major investor in the state, with 52% of total investments, followed by private