The primary objective of a guest lecture on Inventory Theory was to provide attendees with a comprehensive understanding of the principles, models, and optimization techniques used in inventory management. Specifically, the goals are to introduce core concepts, explore optimization models, apply theoretical models to real-world scenarios, and enhance problem- solving skills. Dr. Mukesh Kumar Sharma, HoD, Dept. of Mathematics, CCSU conducted an insightful guest lecture attended by BCA 2 nd -year students, provided an in-depth analysis of different inventory models. He provided valuable guidance, helping students understand fundamental concepts and their practical applications. The guest lecture on Inventory Theory was a highly successful event, providing students with a deeper understanding of the essential principles behind inventory management and its application in various industries. The session not only enriched participants' academic knowledge but also provided practical insights that can be applied in the workplace.