Delhi is an State of India with population of Approximate 1.68 Crores as per Population Census 2011 published by Govt. of India and the density of Delhi state is 11,320 per sq km. Delhi State is spread over 1,483 Sq Km. Delhi is located at 28.61°N 77.23°E, and lies in Northern India.
Delhi the National Capital of India ia also capital of Territory of Delhi. Delhi is historically and culturally connected to both the Upper Doab of the Yamuna-Ganges river system and the Punjab region.It is bordered by Haryana on three sides and by Uttar Pradesh to the east. It has a population of about 16.3 million, making it the second most populous city and second most populous urban agglomeration in India and 3rd largest urban area in the world. Such is the nature of urban expansion in Delhi that its growth has expanded beyond the NCT to incorporate towns in neighbouring states and at its largest extent can count a population of about 25 million residents as of 2014.
Delhi has been continuously inhabited since the 6th century BC. Through most of its history, Delhi has served as a capital of various kingdoms and empires. It has been captured, ransacked and rebuilt several times, particularly during the medieval period, and modern Delhi is a cluster of a number of cities spread across the metropolitan region.
The NCT and its urban region have been given the special status of National Capital Region (NCR) under the Constitution of India's 69th Amendment Act of 1991. The NCR includes the neighbouring cities of Faridabad, Gurgaon, Noida, Ghaziabad, Neharpar (Greater Faridabad), Greater Noida, Bahadurgarh, Sonepat, Panipat, Karnal, Rohtak, Bhiwani, Rewari, Baghpat, Meerut, Alwar, Bharatpur and other nearby towns. A union territory, the political administration of the NCT of Delhi today more closely resembles that of a state of India, with its own legislature, high court and an executive council of ministers headed by a Chief Minister. New Delhi is jointly administered by the federal government of India and the local government of Delhi, and is the capital of the NCT of Delhi.