Odisha is on high alert as authorities are preparing for a "medium" flood in the Mahanadi river system, with peak flood discharge expected over the next 36 hours, officials said. Coastal districts, including Cuttack, Khurda, Puri, Jagatsinghpur and Kendrapara, are at risk. Three people have died in flood-related incidents so far, while 123 rescue teams are deployed across affected areas.