This document discusses Cadbury's implementation of an ERP system. It describes the stages of ERP implementation including pre-evaluation, evaluation, requirements analysis, project planning, business process re-engineering, training, testing and analysis. It then provides details on Cadbury's implementation methodology challenges, including integrating major business processes and adopting a "big bang" approach. The document also outlines the phases of Cadbury's ERP implementation process and discusses both the pains of excess chocolate production initially and later gains in efficiency from the new system.