My India
Welcome to ONLiNE UPSC

Understanding Tehri Lake: Recent Events and Exam Relevance

A Comprehensive Overview for UPSC Aspirants

Understanding Tehri Lake: Recent Events and Exam Relevance

  • 30 Jan, 2026
  • 388

Why in News?

The recent rescue of two paraglider pilots by the State Disaster Response Force (SDRF) at Tehri Lake during the Acro Festival & SIV Championship highlights the safety concerns associated with adventure sports. This incident raises awareness about emergency response mechanisms in high-risk areas, making it relevant for UPSC aspirants.

Syllabus & Exam Relevance

This topic is significant for the UPSC Prelims as it relates to current affairs and disaster management. In the Mains exam, it is relevant to GS Paper II, which covers governance and disaster response mechanisms. Understanding the implications of such events aids aspirants in addressing questions related to public safety and infrastructure.

Core Concept / Background

Tehri Lake is an artificial reservoir created during the construction of the Tehri Dam in Uttarakhand. Situated at an elevation of 1,700 meters, it spans approximately 42 km in length and reaches a depth of 262 meters. The lake serves multiple purposes, including hydroelectric power generation, irrigation, and drinking water supply.

UPSC Focus Points

  • Tehri Lake is one of the largest artificial lakes in India, crucial for hydroelectric power generation.
  • The Tehri Dam, standing at 260 meters, is the tallest dam in India and among the tallest globally.
  • The lake plays a vital role in local irrigation and water supply systems.
  • Recent events highlight the importance of disaster management in adventure sports.
  • Connected to the Bhagirathi River, the dam directly impacts the Ganges River ecosystem.
  • Managed by Tehri Hydro Development Corporation (THDC), it contributes significantly to renewable energy resources.
  • Understanding the lake's ecological and socio-economic significance is essential for comprehensive UPSC preparation.

Prelims vs Mains Angle

In the Prelims, questions may focus on facts about Tehri Lake, such as its dimensions, purpose, and geographical location. In contrast, Mains questions may explore the implications of its construction, disaster management strategies, and the broader environmental impact of large dams.

Analytical Dimensions

The establishment of Tehri Lake has significant implications for regional development and ecological balance. While it supports renewable energy generation, it also poses challenges related to environmental sustainability and disaster preparedness. Understanding these dynamics is crucial for developing effective governance policies.

Way Forward / Conclusion

Enhancing disaster response frameworks around adventure sports at Tehri Lake is essential for ensuring public safety. Future policies should focus on sustainability and resilience, balancing ecological concerns with the benefits of hydroelectric power. A comprehensive approach, incorporating evidence-based policy-making, is vital for the sustainable management of water resources in the region.

Frequently Asked Questions (FAQs)

Q1. What is Tehri Lake known for?
Answer: Tehri Lake is known as one of the largest artificial lakes in India, created by the Tehri Dam on the Bhagirathi River, primarily for hydroelectric power generation and water supply.

Q2. Why was the recent incident at Tehri Lake significant?
Answer: The rescue of paraglider pilots during the Acro Festival highlighted the importance of disaster response mechanisms and safety protocols in adventure sports.

Q3. What are the key purposes of Tehri Dam?
Answer: Tehri Dam serves multiple purposes including hydroelectric power generation, irrigation, and providing drinking water to nearby regions.

Q4. How does Tehri Lake impact the Ganges River?
Answer: Tehri Lake, through the Tehri Dam, affects the flow of the Bhagirathi River, which is a tributary of the Ganges, impacting the river's ecosystem and water availability downstream.

Q5. What is the height of the Tehri Dam?
Answer: The Tehri Dam stands at a height of 260 meters, making it the tallest dam in India and among the tallest in the world.

UPSC Practice MCQs

Question 1: What is the primary purpose of Tehri Dam?
A) Irrigation
B) Hydro Power Generation
C) Recreational Activities
D) Flood Control
Correct Answer: B

Question 2: What river does the Tehri Dam utilize for its water supply?
A) Ganges
B) Yamuna
C) Bhagirathi
D) Brahmaputra
Correct Answer: C

Question 3: Which agency manages the Tehri Dam?
A) National Hydroelectric Power Corporation
B) Tehri Hydro Development Corporation
C) Uttarakhand Government
D) Central Water Commission
Correct Answer: B

Question 4: In which state is Tehri Lake located?
A) Himachal Pradesh
B) Uttarakhand
C) Sikkim
D) Jammu & Kashmir
Correct Answer: B

Question 5: What is the depth of Tehri Lake?
A) 200 meters
B) 242 meters
C) 262 meters
D) 300 meters
Correct Answer: C

Stay Updated with Latest Current Affairs

Get daily current affairs delivered to your inbox. Never miss important updates for your UPSC preparation!

Stay Updated with Latest Current Affairs

Get daily current affairs delivered to your inbox. Never miss important updates for your UPSC preparation!

Kutos : AI Assistant!
Understanding Tehri Lake: Recent Events and Exam Relevance
Ask your questions below - no hesitation, I am here to support your learning.
View All
Subscription successful!