The Kandi Development Block is situated in a flood prone region of moribund delta of West Bengal. Flood is a common environmental disaster in Kandi like any other deltaic region of the world. The block is well drained by a number of river systems such as mayurakshi, Kana, Kuye, Dwarka Brmhani, Gambhira etc. Kandi development block is westerly located in Murshidabad district. Apart from heavy and prolonged rainfalls river over flows, there are some casual factors of flooding. As a result the recent flood effect on a large number of people makes huge seasonal neo-refugees in every year. Create some flood shelter for sheltering flood affected people. The aim of the present work is to study causes of flood and determine preventive measures. Data and information are collected from Kandi B.D.O, Irrigation office of Kandi Sub-division, Kandi Panchayat Samiti office, satellite imagery, publication report and articles. The result shows that drainage density will high, all over the block are covered by flood; many people are displaced and sheltered in different temporary flood shelters. Most of the river side protection work is based on engineering not condition the social dimension as well as some holistic planning are urgently needed to tackle this problem.