Dum, about north-east of the city centre, operates domestic and international flights. In 2013, the airport was upgraded to handle increased air traffic. The Port of Kolkata, established in 1870, is India's oldest and the only major river port. The Kolkata Port Trust manages docks in Kolkata and Haldia. The port hosts passenger services to Port Blair, capital of the Andaman and Nicobar Islands; freighter service to ports throughout India and around the world is operated by the Shipping Corporation of India. Ferry services connect Kolkata with its twin city of Howrah, located across the Hooghly River. Healthcare , the healthcare system in Kolkata consists of 48 government hospitals, mostly under the Department of Health & Family Welfare, Government of West Bengal, and 366 private medical establishments; these establishments provide the city with 27,687 hospital beds. For every 10,000 people in the city, there are 61.7 hospital beds, which is higher than the national average of 9 hospital beds per 10,000. Ten medical and dental colleges are located in the Kolkata metropolitan area which act as tertiary referral hospitals in the state. The Calcutta Medical College, founded in 1835, was the first institution in Asia to teach modern medicine. However, These facilities are inadequate to meet the healthcare needs of the city. More than 78% in Kolkata prefer the private medical sector over the public medical sector, due to the overburdening of the public health sector, the lack of a nearby facility, and excessive waiting times at government facilities. According to the Indian 2005 National Family Health Survey, only a small proportion of Kolkata households were covered under any health scheme or health insurance. The total fertility rate in Kolkata was 1.4, the lowest among the eight cities surveyed. In Kolkata, 77% of the married women used contraceptives, which was the highest among the cities surveyed, but use of modern contraceptive methods was the lowest (46%). The infant mortality rate in Kolkata was live births, and the mortality rate for children under five was live births. Among the surveyed cities, Kolkata stood second (5%) for children who had not had any vaccinations under the Universal Immunization Programme . Kolkata ranked second with access to an anganwadi centre under the Integrated Child Development Services (ICDS) programme for 57% of the children between 0 and 71 months. The proportion of malnourished, anaemic and underweight children in Kolkata was less in comparison to