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
Geography of Tamil Nadu Geography of Tamil Nadu Tamil Nadu is the eleventh largest state in India and covers an area of . It is bordered by Kerala to the west, Karnataka to the northwest, Andhra Pradesh to the north, the Bay of Bengal to the east and the Indian Ocean to the south. Cape Comorin (Kanyakumari), the southernmost tip of the Indian Peninsula which is the meeting point of the Arabian Sea, the Bay of Bengal, and the Indian Ocean. The western, southern and the north-western parts are hilly and rich in vegetation. Tamil Nadu is the only state in India which has