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In today’s world Lean and Green are becoming essential components of the supply chain. The thesis tries to contribute to a further understanding of the supply chain management, lean, green and their integration. The basic concepts and the research contributions of various authors are briefed in the theoretical framework made for a better understanding to the readers. Having gained the relevant theoretical knowledge, the interview questions are framed and case companies are analyzed for their lean and green activities in their supply chain. The empirical data collected from the case companies through interviews and surveys are projected. With the empirical results and the relevant theoretical results, an analysis & discussion is made which explicitly gives the implications of lean and green over the supply chain and their associated practical scenarios. The outcome and the findings are used to construct a model which depicts the relationship between lean, green and their influence over the supply chain. Influence on the supply chain by lean and green are projected independently in the lean supply chain model and green supply chain. The Integrated lean and green model illustrates the relationship and influence between lean, green and supply chain factors. This model also serves as a prototype for the industries to make their own indigenous integrated model. Further, outcome that how lean and green improves the supply chain and the lean and green integrated model are summarized in the conclusion. In a bird’s eye view, this research thesis work is a contribution to lean, green and their integration which explicitly shows the ways that lean, green improves the supply chain performance and  provides a framework / prototype model for lean and green integration for the industries.