Kaizen is a Japanese term meaning continuous improvement. It is a philosophy widely adopted by Japanese manufacturing company. However, due to globalization leading to increase in competition among small and medium scale enterprises (SMEs), especially in India. It is pivotal for this organization to provide High quality products at a reasonable price in order for them to survive. Kaizen is lean manufacturing tool used to improvise the overall process of company which ultimately leads to reduction in production cost. Moreover, process efficiency gets improves through implementation of few tools out of many tools lying under the umbrella of kaizen which are Total quality control (TQC), Total productive maintenance (TPM), Quality improvement, Automation, zero defect (ZD), Kanban, Just-in-time (JIT), Quality control system (QCC) and Suggestion system. In this study, Kaizen system was executed though 5S in assembly, machine and mold shop department, Kanban system for Fasteners, Plotting Value stream Mapping (VSM) in machine shop of a critical product, obtaining the process Capability ratio for Gun drill machine and other small improvements