Hyderabad is the capital of Telangana,India. The city is the largest contributor to the state's GDP (Gross domestic product) and state tax. In 2011, Hyderabad generated revenues of ₹700,000 million (US$10 billion) and contributed a third of the state's tax revenue. The per capita income of Hyderabad was ₹44,300 (US$660) in 2011. In 2008, the nominal GDP was US$60bn, placing the city fourth in India and 93rd in the world. Hyderabad and its suburbs house the highest number of special economic zones among India's cities. The main economic sectors of Hyderabad are traditional manufacturing, the knowledge sector, and tourism. The service industry is a major contributor. As of 2006, the largest employers of Hyderabad are the governments of Andhra Pradesh and India, with 113,000 and 85,000 employ