Question

Which is the longest dam in India?

1. Bhakra-Nangal
2. Rihand
3. Hirakud
4. Nagarjuna Sagar

Answer (Detailed Solution Below)

Option 3: Hirakud

Detailed Solution

The correct answer is Hirakud.

About Hirakud Dam

It is the longest dam in India and the longest earthen dam in the world.
Total Length: 25.79 km
The dam is built across the river Mahanadi at about 15 km upstream of Sambalpur town in the state of Odisha.
It is made of earth, concrete, and masonry.
The dam forms a vast reservoir known as the Hirakud Reservoir or Hirakud Lake. It is the biggest artificial lake in Asia, with an area of 746 sq.km.
This is one of the oldest hydel projects of India, being the first post-independence major multipurpose river valley project in the country. It was inaugurated in the year 1957.

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