Ganga is navigable between
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Haridwar and Kanpur
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Allahabad and Varanasi
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Patna and Calcutta
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Allahabad and Haldia
D
Correct answer
Explanation
The National Waterway 1 (NW-1) is the longest navigable stretch of the Ganga river system, running from Allahabad (Prayagraj) in Uttar Pradesh to Haldia in West Bengal.