Nagpur is the third largest city and the winter capital of Maharashtra State. Nagpur lies precisely at the center of the country with the Zero Mile Marker indicating the geographical center of India. In the latest rankings of 100 developing smart cities given by the Union Ministry of Urban Development, Nagpur stood first in Maharashtra state and second in India. Nagpur Metro has entered the Guinness Book of World Records for being the longest double-decker viaduct metro measuring 3.14 km on Wardha Road. Also known as the “Orange City”, Nagpur has officially become the greenest, safest, and one of the most technologically developed city in the Maharashtra state. It is the “Tiger Capital of India” as it connects many Tiger Reserves in India to the world. The city is well connected to all the major cities of the country by air and has also international connectivity. Nagpur is a major railway junction of North-South and East- West railway lines.