This study focuses on examining the retail industry of Bangladesh and its usage of green supply chain management (GSCM). It will also evaluate the relationship between these practices and different levels of operational performance. Data collection for the study was done by surveying 217 employees of the modern retail sector in Bangladesh. Data analysis was done through structural equation modelling, which explored the relation of operational performance with the various components GSCM, for example, internal environmental management, green purchasing, and green information systems. According to the study, GSCM procedures have a positive and robust correlation with operational performance. For owners and managers to get the most out of their operations, they need to think about green buying, green information systems, and internal environmental management all at once. This study explores the viewpoints of developing countries, contributing to the body of knowledge on green supply chain operations and performance in modern trade.