Geographic Information Systems (GIS) has emerged as one of the most important and widely used softwares for the social scientists in last two decades. Economists, sociologists, political scientists, public administrators, and geographers alike use GIS for capturing, storing, analyzing, and presenting spatially referenced socio-economic data. Election campaigns have been using GIS in a rapidly increasing manner. It has also been substantially used by urban and regional planners, natural resources scientists, and civil engineers. Application of GIS for land classification systems, landslide hazard zonation mapping, land use planning, water resources engineering, flood mapping analysis, mapping agricultural potentials, and the likes are not new phenomena anymore. The network analyst and spatial.
