Automatic Text categorization refers to the process of assigning a category or some categories automatically among predefined ones. Text categorization is challenging in Indian languages has rich in morphology, a large number of word forms and large feature spaces. This paper investigates the performance of different classification approaches using different term weighting approaches in order to decide the most applicable one to Telugu text classification problem. We have investigated on

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... nt term weighting methods for Telugu corpus in combination with Naive Bayes ( NB), Support Vector Machine (SVM) and k Nearest Neighbor (kNN) classifiers.