Cyclone Arnab is forecast to make landfall on the east coast of India on Wednesday.
Odisha and Andhra Pradesh have ordered school closures and a ban on sea fishing.
Rescue teams from the national disaster response force, army, navy, air force and coast guard are on standby.
Special care is being given to pregnant women, seniors, children, and people with disabilities.
Farmers are told to collect ripe crops and store them safely.
Fishing boats stay at the harbor because the sea will be very rough.
The army, navy, air force and coast guard are ready to help anyone in trouble.
Families are being moved to safe shelters, especially those with babies, older people, or disabilities.
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