Which river is known as the 'National River of India'?
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This question examines an important river-or-lake fact: “Which river is known as the 'National River of India'?” The correct answer is Ganga. The Ganga was declared the National River of India on November 4, 2008. The National Ganga River Basin Authority (NGRBA) was also set up. A river system includes its source, tributaries, distributaries, drainage basin, watershed, channel, floodplain, delta or estuary and final outlet. River behaviour depends on relief, geology, rainfall, snowmelt, sediment load, vegetation and human intervention. Examination questions often confuse a river’s source with its mouth, a left-bank tributary with a right-bank tributary, or a natural lake with a reservoir.