Q-commerce is a rapidly growing market that has the potential to become a major force in ecommerce. In this study, we analyze the key cause-and-effect relationships among the barriers faced by the egrocery delivery system in India using the Decision Making Trial and Evaluation Laboratory (DEMATEL). Our findings indicate that low picking efficiency and complex vendor management are the most influential barriers, without being influenced by others. The insights from this study will help q-commerce businesses improve the efficiency of their egrocery delivery system