Jamshedpur is the most populous urban agglomeration in the Indian state of Jharkhand. Jamshedpur is the headquarters of the East Singhbhum district of Jharkhand. It is also the first planned industrial city of 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 home to world's tenth largest steel manufacturing company, Tata Steel. Jamshedpur is situated in the southern end of the state of Jharkhand and is bordered by the states of Orissa and West Bengal. The average elevation of the city is 135 metres while the range is from 129 m to 151 m. Total geographical area of Jamshedpur is 209 km square. Jamshedpur is primarily located in a hilly region and is surrounded by the Dalma Hills running from west to east and covered with dense forests. The other smaller hill ranges near the city are Ukam Hill and the Jadugoda-musabani hill range. The city is also a part of the larger Chota Nagpur Plateau region. The region is formed of the sedimentary, metamorphic and igneous rocks belonging to the Dharwarian period. Jamshedpur is located at the confluence of Kharkai and Subarnarekha Rivers. Subarnarekha is the principal river of Jamshedpur, which flows from west to south-eastern part of the territory. Many small rivers, especially the tributaries, join the Subarnarekha river in this area. Kharkai flows from the south and joins the Subarnarekha river at a place called Domuhani. The two rivers are the major sources of drinking water and groundwater for the city. Several lakes of varying size are also located near the fringes of the city. The major of them being the Dimna lake located in between the Dalma range and the Sitarampur reservoir situated beside Kharkai river. It's also a major tourist spot in the region. Both of them also act as reservoirs for drinking water in the city. The city falls under deciduous type of forest region and the green cover is estimated to be around 33% of the total land area. The city falls under the Seismic Zone II region.
