Jamshedpur is the largest and the most populous Urban Agglomeration in the Indian state of Jharkhand. It is the largest city in Jharkhand, and a major industrial zone in Eastern India . Jamshedpur is the first planned industrial city of India, founded by Jamshedji Nusserwanji Tata. It is also known as Steel City, TataNagar or simply Tata. It was first known for its mahua trees and rassi/tarri drinkers who extracted juices from various trees and then fermented them into liquor. There is an old Indian saying "Piyo or Jiyo".Jamshedpur is the headquarters of the East Singhbhum district of Jharkhand. According to the 2011 census of India, Jamshedpur has a population of 1,337,131; the Jamshedpur urban agglomeration, which includes the adjoining areas, Jamshedpur Urban Area is the third Largest city in Eastern India after Kolkata and Patna. It ranks 36th among the 53 million-plus cities in India. It is located on the Chota Nagpur plateau and is surrounded by the picturesque Dalma Hills. The city is bordered by the rivers Subarnarekha and Kharkai on the north and west parts of the city.Jamshedpur is a major industrial centre of East India. It houses companies like Tata Steel, Tata Motors, Tata Power, Lafarge Cement, Telcon, BOC Gases, Praxair, TCE, TCS, Timken, TRF, Tinplate and many more. It is home to one of the largest industrial zones of India known as Adityapur which houses more than 1,200 small and medium scale industries.Jamshedpur was declared the 7th cleanest city of India for the year 2010 according to survey by the Government of India. It has been predicted as the 84th fastest growing city in the world for the timeframe 2006–2020. A major part of the city is run by Tata Steel itself. Jamshedpur has been selected as one of the cities for the Global Compact Cities Pilot Programme by United Nations, the only one to be selected in India as well as South Asia