Omnichannel retail requires a fundamental shift in supply chain strategy because it changes the way products flow from suppliers to customers and transforms the role of physical stores, warehouses, and distribution networks. In traditional retail, the supply chain was designed mainly to replenish stores. Goods moved from manufacturers to central warehouses and then to retail outlets, where customers visited, selected products, and completed purchases. The focus was on bulk shipments, predictable demand patterns, and store-level inventory management. However, with the rise of online sales platforms and digital marketplaces, customers expect to browse, order, pay, and receive products through multiple channels such as websites, mobile apps, social media, and physical stores. This shift demands a more flexible, responsive, and technology-driven supply chain system. In an omnichannel environment, customers may order online and pick up in-store, check store availability through mobile apps, return online purchases at physical outlets, or expect home delivery within a short time frame. These expectations require real-time visibility of inventory across all locations. The supply chain strategy must therefore move from a channel-specific approach to an integrated network approach. Inventory can no longer be managed separately for online and offline channels; instead, it must be pooled and dynamically allocated based on demand. This integration fundamentally changes forecasting, procurement, warehousing, transportation, and last-mile delivery processes. One of the major logistical challenges in integrating offline stores with online platforms is inventory management. In traditional retail, each store maintained its own stock based on historical sales data. In omnichannel retail, the same inventory may serve both in-store shoppers and online customers. If systems are not synchronized, stock-outs and overstocking become frequent. For example, a product shown as available online may already be sold in-store if real-time updates are lacking. To overcome this challenge, retailers need advanced inventory management systems, barcoding or RFID technology, and centralized data platforms that provide accurate stock visibility. Another significant challenge is demand forecasting. Online sales often show different patterns