Six Sigma is a methodological strategy by which errors in a company's current processes and plans are identified and strategies to rectify the same are formulated. It is fact-based technique, involving a lot of data handling, which provides scientific results for cost cutting and reduction in waste of resources. Today, many organizations, large and small scale, are applying Six Sigma to ensure improved, faster and cheaper services to their consumers without compromising on the quality quotient.Various LevelsImplementation of Six Sigma requires professionals who have been trained in the program and have had exposure to practically applying the concepts in different organizations across industries to know how to go about its application on the job. There is a Six Sigma certification program that has to be undertaken for gaining knowledge about this particular quality measurement practice. Six Sigma certification is similar to other professional courses in that after having cleared specified guidelines and followed the required procedure, individuals are certified as capable of employing the gained knowledge in their respective field. There are several stages of the program and with each qualifying level, certain tests that have to be cleared. These levels are labeled in the same manner as a martial arts certification grade. There are various belts such as green belt, black ...