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The major challenges we face in the world today are overpopulation, pollution, deforestation and natural disasters. They have a critical geographic dimension and geographical component. Geographical Decision Support System is a demanding field, since enormous amount of spatial data have been collected in various applications ranging from Remote Sensing to GIS, Computer Cartography, Environmental Assessment and Planning. GIS will give the power to create maps, integrate information, visualize scenarios, solve complicated problems, present powerful ideas, and develop effective solutions. With GIS application one can open digital maps on computer, create new spatial information to add to a map, create printed maps customized to their needs and perform spatial analysis. Spatial database management systems aim to make spatial data management easier and more natural to prepare map for the users or applications such as urban planning, utilities, transportation, and remote sensing. The main aim of this paper is to prepare the digital data for the study of deforestation. This paper focuses on the data collection from various sources like NRSC, Survey of India, GLCF and NATMO etc., and prepares attribute spatial dataset for deforestation study in the study area.