This book reviews the history and pathogenesis of IgA Nephropathy. In addition, it compares the two existing classification systems of IgA Nephropathy. An exhaustive study of the various prognostic markers of this disease in Indian population is analyzed. An attempt is also made to compare various existing Indian studies with similar studies in other countries. Based on this study, IgA Nephropathy appears to be aggressive in Indian patients and is associated with poor renal survival rate.