Visakhapatnam is one of the major port cities in India. The city is the largest industrial based urban area. The industrialization of the city is started with the importance of its natural harbor & the Estb. of Hindustan Shipyard Ltd. In addition to the Estb. of Naval Dockyard during the second world war, which gave further town extension. The growth of the city, as a big industrial center, is started with the setting of 40 major & small-scale industries like Steel Plant, Hindustan Petroleum Corporation Ltd., Coromandel Fertilizers Ltd., Hindustan Zinc Ltd., L.G. Polymers Ltd., & B.H.P.V.,...