Thousands of people in Bangladesh and the Indian state of West Bengal are still struggling with the aftermath of Cyclone Aila on Monday.
The BBC reports many are still without enough food, water and medicines.
More than 200 bodies have been recovered - but relief officials say many more corpses are still to be recovered from the slowly receding flood waters.
Nearly half a million people are homeless and troops and border guards are helping the civil administrations in relief operations. The impact of the storm is reported to be worst in the Sundarbans delta.
The low-lying region frequently experiences tropical storms and cyclones during the monsoon season.
More than 3500 people were killed in 2007, most of them in Bangladesh, when Cyclone Sidr hit the same districts.