Cyclone Amphan is heading for India, Bangladesh, and Myanmar.
The storm is the equivalent of a Category 5 hurricane on the Saffir-Simpson Hurricane Wind Scale.
Ahead of the storm, special trains between New Delhi and Bhubaneswar have been diverted.
567 shelters are in place and 7.092 buildings are available should an evacuation be necessary.
The National Disaster Response Force has been deployed to the City of Paradip.
On Monday, the storm had maximum sustained winds of 265 km/h and gusts to 321 km/h. Storm surge is a major threat with this storm. Storms surge of 4 to 6 metres is possible.
Cyclone Amphan is the most powerful storm in the Northern Hemisphere this year, and the strongest tropical cyclone to occur in the Bay of Bengal.
India is evacuating 1 million people in the state of Odisha.