The study was carried out from January to May 2020 in Dhaka City to evaluate the impact of ‘Climate Change Adaptation Project’. The systematic methodological approach was followed to conduct the impact evaluation study. Based on the systematic approach of sampling, primary data was collected using the proposed data collection tools. Both qualitative and quantitative data were used in this study. The study took OECD framework into consideration while evaluating the project impact. The framework has five criteria- relevance, effectiveness, efficiency, impact and sustainability. Probability sampling technique was used for quantitative data collection whereas non-probability sampling technique was applied for collecting qualitative data.