The aim of this project t is about reduction of wastage and improvement of productivity through lean manufacturing system in RMG sector. As the world market the number of competitors are increasing day by day and to meet up the present demand of ready-made garment industry, as soon as possible this sector must be adopted new technology as well as production process that will surely minimize the cost of production and produce defect free products. By completing this project, it has provided overall idea of how can it reduced the production wastage and in mean time how can it improved the productivity and these may be helpful to know about the improvement to make textile product and related organizations. The profit of a production based industry depend on how much they utilized their raw materials during production and how much they loss in processing. To control the excessive rate of wastage form every processing units, it will add the profit value and increase the maximum utilization of all resources as well as increase the productivity. This is a huge sector and yet to discover the whole.