Ganga is navigable between
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Haridwar and Kanpur
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Allahabad and Varanasi
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Patna and Kolkata
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Allahabad and Haldia
D
Correct answer
Explanation
The Ganga is navigable from Allahabad (where it's joined by the Yamuna) all the way to Haldia on the Bay of Bengal. This lower stretch is deep and wide enough for boats and ships.