The Role of Data Mining In Health Care Hasbecome the Subject Matter of Wide and Varied Research Activities [Kaur H.Et.Al., 2006]. Extraction of Useful Information from Health Care Data Offers Alot of Challenges In Terms of Storage, Dissemination, Privacy and Security Ofpatient Data. While the Privacy Issue Is More of a Legal and Ethical Issuerather Than Technological Issue, Data Mining Offers Broader Community-Basedgains That Enable and Improve Healthcare Forecasting, Analysis, Andvisualisation [Payton F.C., 2003]. Guided Use of Technologies Like Databasesystems, Data Mining and Knowledge Management Can Contribute a Lot to Decisionsupport Systems In Health Care.