Question

Which is the longest dam in India?

• A. Hirakud dam
• B. Tehri dam
• C. Rihand dam
• D. Bhakra–Nangal dam

Hint:

Tallest ≠ Longest: Tehri (very tall); {Hirakud} (longest).

Answer 1

The Correct Option is A

Step 1: Fact.
Hirakud Dam on the Mahanadi (Odisha) is among the world’s longest earthen dams, extending about 25 km including dykes.
Step 2: Distinguish.
Tehri is one of the tallest; Bhakra–Nangal is a major concrete dam; Rihand is large but shorter in length than Hirakud.