Chennai in issuing 'L' and 'H' category visas for workers and professionals and was ranked eighth globally in terms of all category of visas being issued. The Foreigners Regional Registration Office (FRRO), which is the office of the field officers in charge of immigration and registration activities in the city, is located at Shastri Bhavan at Haddows Road. Chennai has sister city relationships with the following cities of the world: Chennai Chennai (; also known by its former name Madras or ) is the capital of the Indian state of Tamil Nadu. Located on the Coromandel Coast off the Bay of
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