The frequency of anomalous floods has grown considerably in recent years in Nepal, inflicting severe damage to life and property. The most important concerns to be answered are: what effect does it cause to rise every year when enormous preliminary investment is made? And is there a solution for numbers to be reduced? The massive drop of the monsoon and the synchronizing of the main rivers are usually seen as the key reasons for Nepal’s floods. This study is based on the review of the current available facts pertaining to Melamchi Flood 2021. The research builds on an overview of current information and expertise relevant to the preparation, response, and recovery of information, if accessible.