Around 100 families will be shifted to safety in the event of opening of the Idukki dam shutters.

A meeting of the district disaster management authority held on Friday also decided to activate the emergency and rescue operation measures in the wake of apprehensions that the water will be released from the dam within two days.

According to an official communication, the control room of the Kerala State Electricity Board will alert the district administration at least six hours before raising the dam shutters.

It will take another six hours for the water to reach Kothamangalam, Perumbavoor and Aluva areas. In effect, the administration would get 12 hours for emergency relief works, said the communication.

The low-lying areas of the Periyar face the threat of flooding. Water level in the canals in the area may go up in case of the opening of the dam shutters.

Tahasildars were instructed to rehabilitate people to safe areas in the event of flooding. Announcement squads will be deployed for alerting people.

The service of officials of Revenue, Police, Fire and Rescue and Irrigation departments will be made available for emergency relief and rescue works, the communication said.

Evacuation or rehabilitation will be required in Kochi, Aluva, Paravur and Kothamangalam taluks. The tahasildars were also asked to find out the number of families that will have to be moved to relief shelters.

A general caution has been sounded in the wake of the emergency situation, said an official who attended the meeting.

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