Part of: Odisha Gk set 3

Longest dam in India is ..... This is built across Mahanadi.

Category: Odisha Gk

Hint: Consider the length and location of major dams in Odisha.

Correct Answer: A) Hirakud dam, Odisha.

Exam Relevance: UPSC, SSC, Bank PO, State PSC

Difficulty: Easy

Explanations:

The Hirakud Dam, located in the state of Odisha, India, is the longest dam in the country. It is situated across the Mahanadi River, which is one of the major rivers in eastern India. The dam was constructed primarily for the purposes of irrigation, flood control, and power generation. The construction of the dam was completed in 1957, and it has since played a significant role in the economic development of the region.

The Hirakud Dam is a massive structure that stretches for about 25.8 kilometers (16 miles) in length. This makes it the longest dam in India and one of the longest in the world. The dam's reservoir, known as the Hirakud Reservoir, is also one of the largest artificial lakes in Asia, with a capacity of about 743,000 acre-feet of water. The dam's reservoir is not only used for irrigation and power generation but also serves as a habitat for various species of flora and fauna.

The construction of the Hirakud Dam was a significant engineering feat. It was designed to control the flow of the Mahanadi River, which is known for its unpredictable and often destructive floods. The dam has been successful in reducing the frequency and intensity of floods in the downstream areas, thereby protecting the lives and livelihoods of millions of people. Additionally, the dam has contributed to the agricultural productivity of the region by providing a reliable source of water for irrigation.

It is important to note that while the Hirakud Dam is the longest dam in India, there are other significant dams in the country that serve various purposes. However, the Hirakud Dam stands out due to its length and the impact it has had on the region. Understanding the significance of the Hirakud Dam is crucial for anyone studying the geography and infrastructure of India, particularly in the context of Odisha.

Option Analysis:
  • Option A: This option is correct. The Hirakud Dam is the longest dam in India, built across the Mahanadi River in Odisha. It is a major multipurpose project that serves various purposes including irrigation, flood control, and power generation.
  • Option B: This option is incorrect. The Mandira Dam is not the longest dam in India. It is located in Odisha but is not as long as the Hirakud Dam.
  • Option C: This option is incorrect. The Deras Dam is not the longest dam in India. It is located in Odisha but is not as long as the Hirakud Dam.
  • Option D: This option is incorrect. The Pitamahal Dam is not the longest dam in India. It is located in Odisha but is not as long as the Hirakud Dam.

Mnemonic: H for Hirakud, H for Highest (longest)

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