Cyclone Fani is beginning to make landfall in eastern India.
The country's Meteorological Department says wind speeds will reach 195 km/h (121 mph) when the storm is at full force.
More than a million people in the state of Orissa have already been forced to leave their homes.
Several neighbouring states in India have also been put on high alert.

Iran sends missiles into Israel, dismisses Trump's talk of negotiations as 'fake news'
ഏഴ് ഓവർഹെഡ് വൈദ്യുതി ലൈനുകൾ പ്രവർത്തനം നിർത്തിവച്ചതായി കുവൈറ്റ്
Iran denies talks with US after Trump postpones strikes on power grid
Israeli minister calls for annexation of southern Lebanon
