In view of the devastation, the U.S. embassy Thursday advised its citizens to avoid the areas affected and constantly monitor local media for weather updates.
"Avoid all areas throughout Kerala affected by landslides and flash floods", it read.
At least 26 people have lost their lives, including 11 in high range Idukki, so far across rain-battered Kerala due to flooding and landslides caused by the torrential downpour in the state. State Chief Minister Pinarayi Vijayan said that this is probably unprecedented, and described the situation as "very grave".
Currently, Monsoon surge is active over the state of Kerala as a cyclonic circulation is seen over Southeast Arabian Sea and adjoining Lakshadweep area in the mid-levels.
Following which the District Collector has imposed a ban on heavy goods vehicles in Idukki till situation get better in the state.
The assurance was given by Home Minister Rajnath Singh to Kerala Chief Minister Pinarayi Vijayan during a telephonic conversation.
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After shutters of Edamalayar and Cheruthoni dams were opened to release excess water from the reservoir, houses and commercial buildings around the Periyar river bank got flooded.
Forecasters have predicted heavy rains in the region for another 48 hours, forcing the state authorities to declare an alert. The KSDMA has issued an alert in the nearby areas and has asked people not to panic.
According to informed sources, if the water level in the dam comes down to 2,400 feet, it was likely to bring down the outflow through the five shutters as well - to around 5,00,000 litres per second.
"Despite that opening, there has been a steady inflow and now the water level in the dam stands at 2,401 metres".
In Ernakulam, 3,456 people have been shifted to camps following floods after 4 shutters of the Idamalayar dam were opened yesterday. Over 15,600 have been evacuated from affected areas and around 500 relief camps have been set up.
Shibu, a relief official told UCANEWS on Friday that almost 200 army soldiers joined rescue workers in the worst-hit Ayannkulu, Idukki and Wayanad areas.
"Several rescue and emergency teams have been sent to the affected districts", Kerala relief commissioner P.H Kurian told AFP.
All five shutters of Idukki dam opened, death toll stands at 29.