Many projects in the world fail to be successfully completed due to several reasons. Among these are lack of understanding of the role for monitoring and evaluation. Monitoring and evaluating of projects is very important to various stakeholders because it would ensure them that the project is completed within the planned budget, time and quality. The objective of this study was to establish the role of monitoring and evaluation of Government Projects in the case of SPHMMC. The study has been employed a descriptive and explanatory survey research design. The study was conducted on 70 SPHMMC project related staffs. The researcher also conducted an interview with senior management team members to triangulate the quantitative data which was obtained from survey. Then all the data obtained from the questionnaire and interviews were analyzed by using regression and correlation. The findings showed that the independent variables such as human resource, implementation strategy, training and management support are positively correlated with project success. The study recommended that SPHMMC should hire sufficient staffs that have M&E technical skills for projects and assess the performance and competences of staffs regularly. Good M&E system should be established and revised based on the objectives of the projects. The project managers should be committed and provide high emphasis for designing and implementing of M&E related activities. The project managers and team leaders should be ensured all staffs have required technical skill to perform M&E activities and regularly provided tailored M&E training.