Producing good quality and reduce cost is key element of every enterprise and firm. Now days there is very difficult to compete our firms when company go through improvements. So get good related these companies adopt some lean manufacturing process. In this report we discuss about two techniques:- Six Sigma and SCM. Six Sigma is introduced in 1986. SCM and Six Sigma seeks to enhance the standard of output by identifying and removing of causes of defects. In this we get data from various industries and apply reliability test, Anova test. From these we get results that how productivity and cost depends on different factors of any industry.IN this report we made Karl Pearson Correlation Matrix, which shows the relation between input and output factors with the quality and growth. At the end, we concluded that Six sigma and SCM made a noticeable contribution, employees working more cooperatively, improvement in quality of product, Efficient working helps in achieving positive results, motivation and support from top management and team leader affects the performance.