This paper study the effect of information sharing on the supply chain performance and compare with the traditional inventory management principles and focus on critically analyzing the performance of information sharing retail supply chain in presence of demand pattern and order policies. The models were developed to access the supply chain performance in both environments by Monte Carlo. The KPI’s are average inventory, total sales, lost sales, Total profit and Average order fill rate. The results of this study support that information sharing significantly improves the performance of the supply chain in term of all the selected performance measures.