and Bhagabanpur areas. Industrial sector in Bhubaneswar includes paper, steel, automobile, food, pharma and electronics industries. A large number of companies including Odisha State Cooperative Milk Producers' Federation, Bharat Biotech, Topaz Solar, Britannia Industries, SMS Group and Jockey International have there manufacturing plant. In 2009, Odisha was ranked ninth among Indian states in terms of software export by NASSCOM, with most IT/ITES companies established in Bhubaneswar. In 2011–12, Odisha had a growth rate of 17% for software exports. According to a 2012 survey, among the tier-2 cities in India, Bhubaneswar has been chosen as the best for conducting IT/ITES business. The government fostered growth by developing of IT parks such as Infocity-1, Infovalley, STPI-Bhubaneswar and JSS STP. Infocity was conceived as a five-star park, under the Export Promotion Industrial Parks (EPIP) Scheme to create infrastructure facilities for setting up information technology related industries. Infosys and Tech Mahindra have been present in Bhubaneswar since 1996. Other software companies, firms and Multinational Companies include Tata Consultancy Services, Wipro, IBM, Genpact, Firstsource, Mindtree, MphasiS, Ericsson, Semtech, Reliance Communications, PricewaterhouseCoopers , Bharti Airtel, DLF (company), Capgemini and Deloitte. It also houses the headquarters of POSCO India, a subsidiary of South Korean conglomerate POSCO and Govt. of India owned National Aluminium Company(NALCO). Apart from the big multinationals, some 300 small and mid-size IT companies and business startups have offices in Bhubaneswar. Demographics Population As per the 2011 census of India, Bhubaneswar had a population of 837,737, while the metropolitan area had a population of 881,988. As per the estimate of IIT Kharagpur, which made a development plan, the Bhubaneswar–Cuttack Urban complex, consisting of , has a population of 1.9 million (). , the number of males was 445,233, while the number of females were 392,504. The decadal growth rate was 45.90 per cent. Literacy Effective male literacy was 95.69 per cent, while female literacy was 90.26 per cent. About 75,237 were under six. Bhubaneswar's literacy rate is 93.15 per cent—significantly higher than the national average of 74.04 per cent. Language The main language spoken in the city is Odia. However, English and Hindi are understood by most residents. Although Odias comprise the vast majority, migrants from other states like Andhra Pradesh, Bihar, West Bengal, Rajasthan and Jharkhand also dwell in the city. Growth in the information technology industry and education sector in Bhubaneswar changed the city's demographic profile; likely infrastructure strains and haphazard growth from