GIS Applications and Trends SCHOOL SCORE CARD-GIS (A Performance Monitoring System for Schools in Andhra Pradesh)    M.G.Bala Prasanna,K.Dakshina Murthy,Sanjay Tiwari,G.Srikanth GIS Based DSS for Natural Disaster Management: A Case Study of Allahabad District    Dr. R.D. Gupta Plane-sweep Algorithm to identify an object in 2D Punctured Polygon Spatial Objects     N.Subhash Chandra,Prof.(Dr.) A. Govardhan,Prof. (Dr.) C. Raghavender rao