However, the shutter was kept open as the water level refuses to come down. Aluva Shiva temple submerged in the Periyar River after reservoirs in Idamalayar and Idukki were opened, on Thursday. The Ernakulam district administration said there was no cause for concern as the shutters were being opened in a controlled manner.
The Idukki reservoir can hold water up to 2403 feet.
Tens of thousands of people have been displaced, several are missing, with incessant rains for more than 48 hours in some areas inundating hectares of low-lying land, authorities said. Two more teams have been moved.
Chief Minister Pinarayi Vijayan said, "Help has been sought from Army, Navy, NDRF".
Idukki district is the worst-hit along with Malappuram and has reported another rain-related death, taking the toll from flash floods and landslides to 27 in Kerala. According to Kerala State Emergency Operations Centre, 22 people have lost their lives due to the heavy rains and landslides last night. The shutters were opened after 26 years. Chief Minister Pinarayi Vijayan has cancelled all his official programmes for the next three days to focus on the flood rescue and relief operations.
On Thursday, authorities had opened one sluice gate of the 45-year-old Idukki reservoir for the first time in 26 years and they have now been releasing 1.5 lakh litre per second.
In the advisory, the U.S. said the heavy southwest monsoon rains triggered landslides and floods in the state, and American citizens should avoid visiting all affected areas in the state.
As a precaution, the Cochin International Airport Limited has informed that till 2.30 p.m. all incoming flights will be diverted to other destinations, while there will be no problem for outgoing flights.
According to Indian Meteorological Department (IMD) bulletin at 8 am, thunderstorms accompanied by gusty winds are likely to affect Idukki, Pathanamthitta and Wayanad districts.
A vehicle is submerged as roads and houses are engulfed in water following heavy rain and landslide in Kozhikode, Kerala. "We stand shoulder to shoulder with the people of Kerala in the wake of this calamity", the PM said in a tweet.
Four more teams of National Disaster Response Force (NDRF) have already left from Chennai.