The Telecom Industry is characterized by new technologies, new services, and huge capital investment to make content accessible by anyone from anywhere. In such fast pace changes of telecom industry, only those companies can survive which can adapt to the rapidly changes requirements. The expected level of services by the customer is ever growing and at the same time, the customer is only ready to pay a price which is one of the lowest in the industry. In these circumstances, the company needs to evaluate approaches from all angles and come up with cost-effective and competitive solution which also covers the development and operational costs of the company and staying in the top league in terms of quality of services. This is possible to achieve by applying Six Sigma concept in Fraud and Control Unit of Telecom Industry.