Purpose: Assessment of project commissioning and management transfer of Pakali and Bharaul water supply and sanitation projects were done systematically for assuring smooth operation of the system. Design/Methodology/Approach: Sunsari district with Itahari sub metropolitan and Barahchetra municipality were chosen as the research region because it contains a mixed-race population and is close to the Indian border. Interviews, field perceptions, and surveys were utilized to gather essential information; writing (distribution reports, inspecting reports, records, and information) from both a public and global setting was utilized. The statistical tools used to analyze the adopted process of project commissioning are clustered column, line and bar chart. Findings/Result: Pakali and Bharaul project have been compared on the basis of steps that should be followed for successful project commissioning Both of selected project were found competent in planning and pipe and instrumentation diagrams. In terms of mechanical completion, pre-commissioning, commissioning, start-up, initial operation, and performance testing, none of the chosen projects were deemed competent. Both projects are not handed over yet thus post commissioning is not done. For a successful commissioning, it is recommended a management transfer procedure that involves calibrating and sterilizing the system, having the "water operator's standard" document in place, and training the office staff and members of the water user supply committee. Originality/Value: The novelty of this research is commissioning analyses the nine elements of successful plant commissioning. Paper Type: Research paper