Which river is called the 'Lifeline of Rajasthan'?
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This question examines an important river-or-lake fact: “Which river is called the 'Lifeline of Rajasthan'?” The correct answer is Indira Gandhi Canal. The Indira Gandhi Canal (Rajasthan Canal) is often called the 'Lifeline of Rajasthan'. The canal is the longest irrigation canal in the world, stretching about 650 km in the Thar Desert region of Rajasthan. 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.