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Mullaperiyar Dam

Published: 11th May, 2024


In the Supreme Court, Tamil Nadu accused Kerala of both "wilfully obstructing" work that was necessary to repair the over 125-year-old Mullaperiyar dam and "crying foul" over its safety.


  • Location: On the Periyar River in Kerala's Idukki district
  • Its building was finished in 1895.
  • The dam was built to redirect the waters of the west-flowing River Periyar eastward, into the dry areas that receive rain shadows in the Tamil Nadu districts of Theni, Madurai, Sivaganga, and Ramanathapuram.
  • The dam was constructed to supply the temple town of Madurai in Tamil Nadu with the water it needs.
  • For this reason, the Tamil Nadu government runs the dam even though it is located in Kerala.
  • The operational rights were given to Tamil Nadu in accordance with a 999-year lease agreement made during British rule.

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