Flood is one of the most significant natural hazards, and people living in flood zone always face the event of flood during monsoon in India. This paper assesses the historical impacts of Koshi flood, particularly 'The Killed' and 'The Billed', in Northern Bihar. The aftermath of severe floods in the past has been assessed with the help of quantitative methods. The study is based on the secondary database. Lack of services, fragile living, and disadvantaged groups make people vulnerable to

more »

... in the Koshi region of Bihar. The present study also tries to analyses the geographical problem of River Koshi in the northern plain of Bihar. This study will help realistic assessment of flood impact in the region. The focus area comprises of Madhubani, Darbhanga, Supaul, Saharsa, Khagaria, Madhepura, Araria, Katihar, Purnia and Bhagalpur districts of northern Bihar.