In the proposed work, we employ fuzzy clustering techniques to discover the knowledge structure which is underlying and identify knowledge-based relationship between the learning material. For clustering of documents the most popular algorithm is Agglomerative-hierarchical-clustering. The document collection is provided in a hierarchical organization by this method however K-Means algorithm, which is also used for document clustering, views the time complexity of this approach as challenging. In these types of algorithms each document is allocated to only one single cluster, thus generating hard clusters. With fuzzy clustering multiple memberships in different clusters are allowed.