The study develops a model for large scale ERP implementation success with the balanced scorecard indicators. Large scale ERP implementation success factors consist of project management competence, knowledge sharing, ERP system quality, understanding, user involvement, business process re engineering, top management support, organization readiness Business process re-engineering is the most important factor for achieving the ERP implementation success It has the significant impact on enhancing organization learning, improving the business process, enhancing employee satisfaction, and obtaining financial benefits Project management competence is essential to enhance employee satisfaction and financial benefit Knowledge sharing has the positive impact on learning and financial benefits to the organization.The ERP system quality has a significant effect on improving the internal process of business and enhancing employee satisfaction Surprisingly, top management support of largescale ERP project is not related to achieve organization learning and financial benefits.