Nowadays this world is flooded with lots of information such as environmental data, financial data etc. It very difficult for manually classifying, and summarize these data. Data mining find a solution for this. This will acquire useful models from bulky amount of data. Different data mining techniques involve classification, aggregation, clustering etc. By using classification we can group the data based on a common factor. It also helps in identifying which set of category a new observation belongs to. It is very important in classification to achieve greatest accuracy.

Keywords : Data Mining; Classification; Feature Selection.