Noida, short for New Okhla Industrial Development Authority, is a city located in Gautam Buddha Nagar district of the Indian state of Uttar Pradesh. Noida is a satellite city of Delhi and is a part of the National Capital Region (NCR) of India. As per provisional reports of Census of India, the population of Noida in 2011 was 642,381. The city is managed by New Okhla Industrial Development Authority (NOIDA). The district's administrative headquarters are in the nearby city of Greater Noida. The city is a part of the Noida (Vidhan Sabha) constituency and Gautam Buddha Nagar (Lok Sabha) constituency. Mahesh Sharma is the present Lok Sabha MP of Gautam Buddha Nagar, while Pankaj Singh is the present MLA of Noida. Noida was ranked as the Best City in Uttar Pradesh and the Best City in Housing in all of India in the "Best City Awards" conducted by ABP News in 2015. Noida is considered to be India's greenest city with nearly 50% green cover, the highest of any city in India. It is also ranked the cleanest city in medium category cities (cities with a population of 300,000 to 1,000,000) and 4th cleanest city among cities with less than 1,000,000 people. History The city lies in the cultural region of Braj. Noida came into administrative existence on 17 April 1976 and celebrates 17 April as "Noida Day". It was set up as part of an urbanization thrust during the controversial Emergency period (1975–1977). The city was created under the UP Industrial Area Development Act, 1976 by the initiatives of Sanjay Gandhi. The city has the highest per capita income in the Uttar Pradesh ahead of Lucknow. Noida is classified as a special economic zone (SEZ). The Noida Authority is among the richest civic bodies in the country. Geography Noida is located in the Gautam Buddh Nagar district of Uttar Pradesh state of India. Noida is about southeast of New Delhi, northwest of the district headquarters, Greater Noida, and northwest of the state capital, Lucknow. It is bound on the west and southwest by the Yamuna River, on the north and northwest by the city of Delhi, on the northeast by the cities of Delhi and Ghaziabad on the north-east, east, and south-east by the Hindon River. Noida falls under the catchment area of the Yamuna River, and is located on the old river bed. The soil is rich and