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.

Zelenskyy marks war anniversary vowing to fight on, with Ukraine's allies divided
Cape Town airport fire disrupts international and domestic flights
All 7 on board killed after air ambulance crashes in India
US judge permanently blocks release of report on Trump documents case
Former UK ambassador Mandelson released on bail after Epstein revelations
