Now a day, managing taxation information is more challenging. Many peoples and group of companies find a legal way to avoid the tax. So it is important to find a way to identify these suspicious individuals and companies. For that, Graphbased method is used to characterize their property, which detects and describe suspicious relationships behind an Interest Affiliated Transaction (IAT). To identify economic behaviors, social relationships and the IAT’s between the taxpayers and generating Tax-payers Interest Interacted Network (TPIIN) and also using the Colored Network Based Model (CNBM).