Toyota started practicing TPS (Toyota Production System) since 1950 successfully. Due to the success of TPS, Many companies across the world started using the same. Later in the 1990s. M. Womack and Jones gave the name it as a lean manufacturing. Lean manufacturing is now one of the most powerful manufacturing systems in the Competitive world. Numerous organizations around the world have implemented and adopted it to enhance their productivity through reduction and elimination of Waste. This project report is on understanding and implementation of one of the Lean tools which are; Value Stream Mapping, for Directional Control Valve in Bosch Rexroth (India) Pvt. Ltd. – Sanand Plant, Ahmedabad. Value Stream Mapping is a lean tool to identify the value added and non-value added activity during the production. Using this, identify the Waste and removing it along the processes which are based on the principle of Bosch Production System. (TPS – Toyota Production System) This intends the checking of the Inventory level during the process of Manufacturing and Assembling of the products.