Aila, a severe cyclonic storm, was an unique tropical cyclone for its specific features. Usually, the genesis of cyclones takes a considerable time and follows a curve track when approach towards land. But Aila was intensified rapidly and followed a straight path nearly northerly direction throughout its life period maintaining its intensity of cyclone even upto 15 hours after the landfall. It has coincided with the highest level of spring tide resulting enormous loss of life and properties of West Bengal and Bangladesh mainly in Sundarban Region which is a cyclone prone region for coastal location of Bay of Bengal.