Mullaperiyar Dam is a masonry gravity dam on the Periyar River of Idukki district of Indian state of Kerala. It is situated 150 km south east of Kochi and 200 km north east of state capital city of Trivandrum. From Wikipedia
Reservoirs from KRS to Srisailam are at or above capacity, prompting staggered discharges under a coordinated flood-warning system.