An Indian man carries drinking water from a nearby source and walks past trees fallen after Cyclone Amphan hit the region in Kolkata, India, Thursday, May 21, 2020. A powerful cyclone ripped through densely populated coastal India and Bangladesh, blowing off roofs and whipping up waves that swallowed embankments and bridges and left entire villages without access to fresh water, electricity and communications. (AP Photo/Bikas Das)

A man makes his way tpast a tree fallen in the middle of a road after Cyclone Amphan hit the region in Kolkata, India, Thursday, May 21, 2020. A powerful cyclone ripped through densely populated coastal India and Bangladesh, blowing off roofs and whipping up waves that swallowed embankments and bridges and left entire villages without access to fresh water, electricity and communications. (AP Photo/Bikas Das)

In this Wednesday, May 20, 2020 photo, a boat brings people to land, as locals check an embankment before Cyclone Amphan made landfall, in Shyamnagar, Shatkhira, Bangladesh. A powerful cyclone that slammed into coastal India and Bangladesh has left damage difficult to assess Thursday. (AP Photo/Abu Sufian Jewel)

This photo provided by the Indian Red Cross Society shows a villager standing outside his damaged house after Cyclone Amphan, the equivalent of a category 3 hurricane, hit the area in Bhadrak district of Orissa state, India, Thursday, May 21, 2020. A powerful cyclone ripped through densely populated coastal India and Bangladesh, blowing off roofs and whipping up waves that swallowed embankments and bridges and left entire villages without access to fresh water, electricity and communications. At least 24 people were reported killed Thursday. (Indian Red Cross Society via AP)

Clouds surrounded in the middle of heavy wind and rain in Gauhati, India, Thursday, May 21, 2020. A powerful cyclone ripped through densely populated coastal India and Bangladesh, blowing off roofs and whipping up waves that swallowed embankments and bridges and left entire villages without access to fresh water, electricity and communications. (AP Photo/Anupam Nath)

A shopkeeper carries a corrugated tin blown away from his shop when Cyclone Amphan hit the region in Kolkata, India, Thursday, May 21, 2020. A powerful cyclone ripped through densely populated coastal India and Bangladesh, blowing off roofs and whipping up waves that swallowed embankments and bridges and left entire villages without access to fresh water, electricity and communications. (AP Photo/Bikas Das)

In this Wednesday, May 20, 2020 photo, people crowd a shelter before Cyclone Amphan made landfall, in Shyamnagar, Shatkhira, Bangladesh. A powerful cyclone that slammed into coastal India and Bangladesh has left damage difficult to assess Thursday. (AP Photo/Abu Sufian Jewel)

An Indian fisherman walks in the middle of heavy wind and rain in the river Brahmaputra in Gauhati, India, Thursday, May 21, 2020. A powerful cyclone ripped through densely populated coastal India and Bangladesh, blowing off roofs and whipping up waves that swallowed embankments and bridges and left entire villages without access to fresh water, electricity and communications. (AP Photo/Anupam Nath)

Wide areas of coastal India and Bangladesh are flooded and millions of people are without power after Cyclone Amphan struck the region.;

People make their way through damaged cables and a tree branch fallen in the middle of a road after Cyclone Amphan hit the region in Kolkata, India, Thursday, May 21, 2020. A powerful cyclone ripped through densely populated coastal India and Bangladesh, blowing off roofs and whipping up waves that swallowed embankments and bridges and left entire villages without access to fresh water, electricity and communications. (AP Photo/Bikas Das)

A man pushes his cycle past branches fallen after Cyclone Amphan hit the region in Kolkata, India, Thursday, May 21, 2020. A powerful cyclone ripped through densely populated coastal India and Bangladesh, blowing off roofs and whipping up waves that swallowed embankments and bridges and left entire villages without access to fresh water, electricity and communications. (AP Photo/Bikas Das)

An Indian security person stands inside a ship of National Disaster Response Force (NDRF) in the middle of heavy wind and rain in the river Brahmaputra in Gauhati, India, Thursday, May 21, 2020. A powerful cyclone ripped through densely populated coastal India and Bangladesh, blowing off roofs and whipping up waves that swallowed embankments and bridges and left entire villages without access to fresh water, electricity and communications. (AP Photo/Anupam Nath)

This photo provided by the Indian Red Cross Society shows volunteers of the organization fixing homes of villagers after Cyclone Amphan, the equivalent of a category 3 hurricane, hit the area in Bhadrak district of Orissa state, India, Thursday, May 21, 2020. A powerful cyclone ripped through densely populated coastal India and Bangladesh, blowing off roofs and whipping up waves that swallowed embankments and bridges and left entire villages without access to fresh water, electricity and communications. At least 24 people were reported killed Thursday. (Indian Red Cross Society via AP)

An Indian traffic police person controls traffic during heavy rain in Gauhati, India, Thursday, May 21, 2020. A powerful cyclone ripped through densely populated coastal India and Bangladesh, blowing off roofs and whipping up waves that swallowed embankments and bridges and left entire villages without access to fresh water, electricity and communications. (AP Photo/Anupam Nath)