Material Requirements Planning (MRP-I) is a systematic approach designed to manage manufacturing processes by ensuring that materials and components are available for production when needed, while minimizing inventory levels. At its core, MRP-I focuses on answering three fundamental questions: what materials are required, how much is needed, and when they are needed. This system relies heavily on accurate data inputs, including the master production schedule, bill of materials (BOM), and current inventory levels. By analyzing these inputs, MRP-I generates detailed schedules for procurement and production, which help organizations reduce stockouts and avoid excessive inventory holding costs. One of the key advantages of MRP-I is that it allows managers to plan purchases and production runs with precision, thereby ensuring that resources are available just in time for manufacturing processes, which enhances overall operational efficiency. MRP-I enhances inventory accuracy by maintaining real-time records of stock levels and linking them directly to production requirements. When a planned order is created in the MRP system, it updates inventory projections, providing a dynamic view of available materials. This prevents overstocking and reduces the risk of obsolete inventory. Additionally, MRP-I helps in production alignment by ensuring that each production activity is scheduled according to material availability, thereby synchronizing the supply of components with the production plan. This alignment reduces delays caused by material shortages and ensures a smoother flow of operations within the manufacturing environment. MRP-I is particularly effective in industries with complex product structures and multiple components, where manual