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TN Complains to SC on Kerala's Stalling of Mullaperiyar Dam Strengthening (142 ft Water Level)

Target:UPSC GS-IIMPSCSSC GATeachingPrelims HighMains MediumStatic GK Link
12 Aug 2026
~2 min
Source: The Hindu
Key Data:142 feet water level152 feet water level1200 feet length155 feet top height1886 Lease Agreement1895 completion
Bodies:Supreme Court of IndiaTamil Nadu GovernmentKerala GovernmentNational Board for Wild Life
Practice MCQs from today's news ▸
What This Article Covers

1.Tamil Nadu files report in SC accusing Kerala of non-cooperation in strengthening Mullaperiyar dam, violating 2014 SC order allowing water level raise to 142 feet.

2.Key facts: SC 2014 Constitution Bench declared dam structurally safe; 2006 judgment allowed eventual raise to 152 feet after strengthening.

3.Examiner's angle: Testable data includes Periyar Lake Lease Agreement (1886), dam completion (1895), length (1200 feet), top height (155 feet), and cost estimate ₹87,64,000 for road repair.

The Big Picture
Prelims · HighMains · Medium

Tamil Nadu has approached the Supreme Court alleging Kerala's obstructionist attitude in implementing the 2014 SC order allowing TN to raise Mullaperiyar dam water level to 142 feet. The delay in strengthening works (baby dam, earth dam, grouting) raises safety concerns. This inter-state water dispute has implications for federal relations and dam safety protocols.

Exam Lens

Quick Exam Facts From News

SC Judgment Year (2014)Constitution Bench allowed water level to 142 feet
Ultimate Water Level (2006)152 feet after strengthening
Dam Details131 years old, length 1200 feet, top 155 feet
Lease AgreementPeriyar Lake Lease Agreement on October 29, 1886
Construction Completed1895
Road Repair Cost Estimate₹87,64,000 (Kerala requested, TN sanctioned but work not started)

1-Minute Revision

  • ›SC Judgment Year (2014): Constitution Bench allowed water level to 142 feet
  • ›Ultimate Water Level (2006): 152 feet after strengthening
  • ›Target this Data: 2014 SC judgment water level 142 ft; 2006 judgment ultimate 152 ft; dam length 1200 ft; top 155 ft.
  • ›Target this Legal Point: Periyar Lake Lease Agreement of October 29, 1886.
  • ›Target this Institution: Supreme Court Constitution Bench (2014); National Board for Wild Life.

Mastered this topic? Test your knowledge with a full MCQ quiz.

Practice exam-style questions, track your score, and strengthen your recall.

Q1Static LinkageEasy

Which ministry's clearance is primarily required for felling trees near the Mullaperiyar dam site as mentioned in the news?

Q2Statement-basedHard

Consider the following statements regarding the Mullaperiyar dam:

1. The dam is owned and operated by the Tamil Nadu government.

2. The dam is 1200 feet in length and its top is at 155 feet.

3. The Supreme Court in 2014 allowed the water level to be raised to 152 feet.

Which of the statements given above is/are correct?

Q3Data-centricEasy

What is the length of the main Mullaperiyar dam as mentioned in the article?

Q4Application/ImpactMedium

What is the primary issue highlighted by Tamil Nadu in its complaint to the Supreme Court regarding the Mullaperiyar dam?

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