After launching the project, evaluating its success is essential through systematic data collection and stakeholder input. The Lean philosophy emphasizes a long-term commitment that is not necessarily costly, but offers a positive, productive, and adaptable framework. The purpose of this paper is to evaluate changes in organizational behavior at Karupannya Rangpur Limited following the implementation of Lean philosophy and the project emphasizes the practical application of Lean tools based on situational analysis and collects feedback through open-ended questionnaires to analyze behavioral practices and data is analyzed using IBM SPSS Statistics 27 software. The expected outcomes of this study are to assess the extent of Lean behavior practices on the shop floor, to identify specific to optimize operational efficiency, manpower was streamlined to utilize 3 persons. Lead time was significantly reduced from 9,276 seconds to 7,277 seconds- achieving a 21.54% improvement. Production output increased by an average of 20%-that reflecting enhanced productivity. Additionally, the overall process was simplified, reducing the number of steps from 15 to 13. The study aims to evaluate the extent of Lean behavior on the shop floor and identify specific practices that enhance efficiency and support a sustainable, high-performing work environment.