Many MSME manufacturing units work at full capacity, yet profitability, delivery timelines, and quality consistency continue to suffer. This detailed article explains how Lean Six Sigma helps MSMEs improve process productivity by eliminating waste, reducing defects, balancing production lines, and stabilizing shop-floor operations. Drawing from real execution experience, the blog highlights why traditional productivity improvement methods fail and how a structured DMAIC approach can deliver measurable results such as reduced turnaround time, better inventory control, and sustainable productivity growth without heavy capital investment.