Tamil Nadu districts. Chennai (formerly known as Madras) is the state capital. It is the fourth largest urban agglomeration in India and is also one of the major Metropolitan cities of India. The state comprises 39 Lok Sabha constituencies and 234 Legislative Assembly constituencies. Tamil Nadu had a bicameral legislature until 1986, when it was replaced with a unicameral legislature, like most other states in India. The term length of the government is five years. The present government is headed by Edapaadi K Palaniswami, after the demise of former Chief Minister of Tamil Nadu, J. Jayalalithaa of the All India Anna Dravida
Tamil Nadu state has 17,000 hectares of land under oil palm cultivation, the second highest in India. Dr M.S. Swaminathan, known as the "father of the Indian Green Revolution" was from Tamil Nadu. Tamil Nadu Agricultural University with its seven colleges and thirty two research stations spread over the entire state contributes to evolving new crop varieties and technologies and disseminating through various extension agencies. Among states in India, Tamil Nadu is one of the leaders in livestock, poultry and fisheries production. Tamil Nadu had the second largest number of poultry amongst all the states and accounted for 17.7 per cent of