Tamil Nadu solutions, Tech Mahindra, Polaris, Aricent, MphasiS, Mindtree, Hexaware Technologies and many others have offices in Tamil Nadu. The top engineering colleges in Tamil Nadu have been a major recruiting hub for the IT firms. According to estimates, about 50 per cent of the HR required for the IT and ITES industry was being sourced from the State. Coimbatore is the second largest software producer in the state, next to Chennai. Tamil Nadu has a transportation system that connects all parts of the state. Tamil Nadu is served by an extensive road network, providing links between urban centres, agricultural market-places and
History of Tamil Nadu in the Indian Union, Tamil Nadu was the seventh largest economy in 2005 among the states of India. The growing demands for skilled labour has caused increased number of educational institutions in Tamil Nadu. The widespread application of caste based affirmative action caused the state to have 69% of all educational and employment vacancies to be reserved to the backward castes. Such caste-based reservations have huge public support in Tamil Nadu, with no popular protests organised against its implementation. The politics of Tamil Nadu have gone through three distinct phases since independence. The domination of the Congress Party after 1947