Hyderabad is the administrative, financial, and economic capital of Andhra Pradesh, and is the largest contributor to the state’s gross domestic product (GDP). Hyderabad is the sixth-largest populous city in India; the city has a population of about 5.7 million according to census 2001, with a population density of 17,649 per sq km as compared to the population density of 277 per sq km of Andhra Pradesh and 324 per sq km of India. Some of the major real estate developers in the city include Aparna Constructions, Indu Projects, My Home Constructions, and ARK Builders.