Six Sigma is a highly disciplined process, which helps to create and deliver near. perfect products and services to customers. Not just another quality programme, . the goal of Six Sigma is to increase profits by eliminating variability, defects. and waste that undermine customer loyalty. In an era of global competition, it. is the one methodology which can serve as the lever for business improvement, . growth, performance and profits. Lessons In Six Sigma is an in-depth look at how this methodology can. be adopted and implemented in organisations for maximum results. Written in. a jargon-free a.