India is highly vulnerable to natural hazards particularly of hydro-meteorological origin. Some parts of India have been experiencing the frequent disasters resulting in huge loss of human, property and resources. Increasing frequency and intensity of disaster has also been impacting the weather and ecological dynamics which is a serious concern for disaster management and climate change adaption. In Bihar flood is a major natural disaster which impacts 18-19 district every year. From its inception Nav Jagriti has been addressing the social and economical problem caused by such disasters in right based and humanitarian approach with the support of national and international partners. The humanitarian approach guides the interventions for preparedness and mitigation to minimize the loss due to flood disaster with involvement of all the important stakeholders.