Abstract: On 25th May 2009 morning severe cyclone Aila hit the Bay of Bengal coast of The Indian Sundarban region with it tidal surges of up to 6.5 metres, affecting 11 coastal districts. This surge of water damaged and washed away over 1,743kms of embankments, removing the only protection available to many people along the coast. This tidal surge causes floods over the entire region which brought high salinity and pH. This flood increased salinity and pH condition of agricultural land and highly affect over crop production. Crop production has markedly reduced after this severe cyclone. Economic conditions of the people in this region also highly affected by this natural disaster.