The longest barrage in the world is
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Koshi Barrage
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Assan Barrage
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Farakka Barrage
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Dowleswaram Barrage
C
Correct answer
Explanation
Farakka Barrage across the Ganga River in West Bengal is among the longest barrages in the world at 2.24 km. It was built to distribute Ganga waters between India and Bangladesh. Koshi, Assan, and Dowleswaram barrages are not of comparable length.