The third shutter of Cheruthoni dam in Idukki reservoir was opened at 10 am on Thursday to control the water level.
shutter was opened to regulate the water level, as it was close to the upper rule level of 2,400.03 feet. The water level reached 2,399.44 feet at 9 am as the water level in Periyar rose after the opening of the Mullaperiyar dam and heavy rains since Wednesday night.