User Depot Module (UDM) is an Android application developed by the Centre for Railway Information Systems. It is a free travel and navigation app designed specifically for authorized internal users of the Indian Railway. UDM provides real-time information on a pan-IR basis, offering a range of features to enhance efficiency and productivity.

With UDM, users can easily search for items in user depots, check stock availability, and view stores depot stock. The app also allows users to search and view purchase orders, providing quick access to important information. Additionally, UDM offers a summary of stock held in user depots, allowing users to keep track of inventory levels.

UDM goes beyond basic stock management by offering advanced features such as identifying non-moving items, analyzing value-wise stock, and highlighting high-value items. This helps users make informed decisions and optimize resource allocation. Furthermore, UDM provides consumption analysis and a consumption summary, allowing users to monitor usage patterns and identify areas for improvement.

Overall, User Depot Module (UDM) is a valuable tool for authorized internal users of the Indian Railway, providing real-time information and a range of features to enhance efficiency and productivity. Whether it's managing inventory, analyzing consumption patterns, or accessing purchase orders, UDM offers a comprehensive solution for users in the railway industry.