During the last couple of decades the world has developed technologically, economically and industrially. In spite of remarkable progress, it has been realized that increases in material wealth do not simply improve life quality. But urbanization in developing countries is unplanned. Rather, it is an outcome of sheer demographic expansion and increased pressure on land. As a result there is pressure on existing infrastructural facilities as well as other problems like traffic congestion, solid wastes, pollution and stress on natural resources. There is deterioration in living environment...