Delhi

​​Delhi, officially the National Capital Territory of Delhi or NCT, is a city and a union territory of India. It is bordered by Haryana on three sides and by Uttar Pradesh to the east. The NCT covers an area of 1,484 square kilometres (573 sq mi). According to 2011 census, Delhi's city proper population was over 11 million, the second highest in India after Mumbai, while the whole NCT's population was about 16.8 million. Delhi's urban area is now considered to extend beyond the NCT boundary to include an estimated population of over 26 million people making it the world's second largest urban area. As of 2016 recent estimates of the metro economy of its urban area have ranked Delhi either the top or second most productive metro area of India. Delhi is the second wealthiest city after Mumbai in India, with a total wealth of $450 billion and home to 18 billionaires and 23,000 millionaires.

Climate
Delhi features an atypical version of the humid subtropical climate bordering a hot semi-arid climate. The warm season lasts from 21 March to 15 June with an average daily high temperature above 39 °C (102 °F). The hottest day of the year is 22 May, with an average high of 46 °C (115 °F) and low of 30 °C (86 °F). The cold season lasts from 26 November to 9 February with an average daily high temperature below 20 °C (68 °F). The coldest day of the year is 4 January, with an average low of 2 °C (36 °F) and high of 14 °C (57 °F). In early March, the wind direction changes from north-westerly to south-westerly. From April to October the weather is hot. The monsoon arrives at the end of June, along with an increase in humidity. The brief, mild winter starts in late November, peaks in January and heavy fog often occurs.

Temperatures in Delhi usually range from 2 to 47 °C (35.6 to 116.6 °F), with the lowest and highest temperatures ever recorded being −2.2 and 48.4 °C (28.0 and 119.1 °F) respectively. The annual mean temperature is 25 °C (77 °F); monthly mean temperatures range from 13 to 32 °C (55 to 90 °F). The highest temperature recorded in July was 45 °C (113 °F) in 1931. The average annual rainfall is approximately 886 mm (34.9 in), most of which falls during the monsoon in July and August. 

Economy
Delhi is the largest commercial centre in northern India. As of 2016 recent estimates of the economy of the Delhi urban area have ranged from $167 to $370 billion (PPP metro GDP) ranking it either the most or second-most productive metro area of India. The nominal GSDP of the NCT of Delhi for 2016-17 was estimated at ₹6,224 billion (US$97 billion), 13% higher than in 2015–16.

As per the Economic survey of Delhi (2005–2006), the tertiary sector contributes 70.95% of Delhi's gross SDP followed by secondary and primary sectors with 25.20% and 3.85% contributions respectively. Delhi's workforce constitutes 32.82% of the population, and increased by 52.52% between 1991 and 2001. Delhi's unemployment rate decreased from 12.57% in 1999–2000 to 4.63% in 2003. In December 2004, 636,000 people were registered with various employment exchange programmes in Delhi. In 2001 the total workforce in national and state governments and the quasi-government sector was 620,000, and the private sector employed 219,000.

Transport
Indira Gandhi International Airport, situated to the southwest of Delhi, is the main gateway for the city's domestic and international civilian air traffic. In 2015–16, the airport handled more than 48 million passengers, making it the busiest airport in India and South Asia. Terminal 3, which cost ₹96.8 billion (US$1.5 billion) to construct between 2007 and 2010, handles an additional 37 million passengers annually.

The Delhi Flying Club, established in 1928 with two de Havilland Moth aircraft named Delhi and Roshanara, was based at Safdarjung Airport which started operations in 1929, when it was the Delhi's only airport and the second in India. The airport functioned until 2001, however in January 2002 the government closed the airport for flying activities because of security concerns following the New York attacks in September 2001. Since then, the club only carries out aircraft maintenance courses and is used for helicopter rides to Indira Gandhi International Airport for VIP including the president and the prime minister.

A second airport open for commercial flights has been suggested either by expansion of Meerut Airport or construction of a new airport in Greater Noida. 

Delhi has the highest road density of 2103 km/100 km2 in India. Buses are the most popular means of road transport catering to about 60% of Delhi's total demand. Delhi has one of India's largest bus transport systems. Buses are operated by the state-owned Delhi Transport Corporation (DTC), which owns the largest fleet of compressed natural gas (CNG)-fueled buses in the world. Personal vehicles especially cars also form a major chunk of vehicles plying on Delhi roads. Delhi has the highest number of registered cars compared to any other metropolitan city in India. Taxis, auto rickshaws, and cycle rickshaws also ply on Delhi roads in large numbers.

Delhi is a major junction in the Indian railway network and is the headquarters of the Northern Railway. The five main railway stations are New Delhi railway station, Old Delhi Railway Station, Hazrat Nizamuddin Railway Station, Anand Vihar Railway Terminal and Sarai Rohilla. The Delhi Metro, a mass rapid transit system built and operated by Delhi Metro Rail Corporation (DMRC), serves many parts of Delhi and the neighbouring cities Faridabad, Gurgaon, Noida and Ghaziabad. As of August 2011, the metro consists of six operational lines with a total length of 189 km (117 mi) and 146 stations, and several other lines are under construction. Delhi Metro completed 10 years of operation on 25 December 2012. It carries millions of passengers every day.  In addition to the Delhi Metro, a suburban railway, the Delhi Suburban Railway exists.

Demographics
According to the 2011 census of India, the population of NCT of Delhi is 16,753,235. The corresponding population density was 11,297 persons per km2 with a sex ratio of 866 women per 1000 men, and a literacy rate of 86.34%. In 2004, the birth rate, death rate and infant mortality rate per 1000 population were 20.03, 5.59 and 13.08 respectively. In 2001, the population of Delhi increased by 285,000 as a result of migration and by 215,000 as a result of natural population growth, which made Delhi one of the fastest growing cities in the world. Dwarka Sub City, Asia's largest planned residential area, is located within the National Capital Territory of Delhi. Urban expansion has resulted in Delhi's urban area now being considered as extending beyond NCT boundaries to incorporate towns and cities of neighbouring states including Gurgaon and Faridabad of Haryana, and Ghaziabad and Noida of Uttar Pradesh, the total population estimated by the United Nations at over 26 million. According to the UN this makes Delhi urban area the world's second largest, after Tokyo, although Demographia declares the Jakarta urban area to be the second largest. The 2011 census provided two figures for urban area population: 16,314,838 within the NCT boundary, and 21,753,486 for the Extended Urban Area.

Religion
Hinduism is Delhi's predominant religious faith, with 81.68% of Delhi's population, followed by Islam (12.86%), Sikhism (3.40%), Jainism (0.99%), Christianity (0.87%), and Buddhism (0.11%). Other minority religions include Zoroastrianism, Baha'ism and Judaism.

Culture
Delhi's culture has been influenced by its lengthy history and historic association as the capital of India, Although a strong Punjabi Influence can be seen in language, Dress and Cuisine brought by the large number of refugees who came following the partition in 1947 the recent migration from other parts of India has made it a melting pot. This is exemplified by many significant monuments in the city.

Cuisine
As India's national capital and centuries old Mughal capital, Delhi influenced the food habits of its residents and is where Mughlai cuisine originated. Along with Indian cuisine, a variety of international cuisines are popular among the residents. The dearth of food habits among the city's residents created a unique style of cooking which became popular throughout the world, with dishes such as Kebab, biryani, tandoori. The city's classic dishes include butter chicken, dal makhani, shahi paneer, aloo chaat, chaat, dahi bhalla, kachori, gol gappe, samosa, chole bhature, chole kulche, gulab jamun, jalebi and lassi.

Sports
Delhi has hosted many major international sporting events, including the first and also the ninth Asian Games, the 2010 Hockey World Cup, the 2010 Commonwealth Games and the 2011 Cricket World Cup.

Cricket and football are the most popular sports in Delhi. There are several cricket grounds, or maidans, located across the city. The Feroz Shah Kotla Ground is one of the oldest cricket grounds in India and is a venue for international cricket matches. It is the home ground of the Delhi cricket team, which represents the city in the Ranji Trophy, the premier Indian domestic first-class cricket championship. The city is also home to the Indian Premier League team Delhi Daredevils, who play their home matches at the Kotla, and was the home to the Delhi Giants team (previously Delhi Jets) of the now defunct Indian Cricket League.

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