Which of the following is one of the standard gauges used in Indian Railways for Broad Gauge (BG) tracks?
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A.
1220 mm
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B.
1435 mm
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C.
1000 mm
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D.
1676 mm
Correct Answer:
D. 1676 mm
Explanation:
The correct answer is 1676 mm.
Broad gauge, also known as Indian gauge, is the most prevalent track gauge used by Indian Railways, accounting for approximately 96% of the national network. Measuring exactly 1676 mm (5 feet 6 inches) between the inner faces of the rails, it is the widest standard track gauge in regular use globally. This width was specifically chosen to provide superior stability against heavy winds and to allow for greater carrying capacity and higher speeds compared to narrower gauges like Metre Gauge (1000 mm) or Narrow Gauge (762 mm and 610 mm). Under the Unigauge policy launched in the early 1990s, Indian Railways has systematically converted most of its older tracks to this broad gauge standard to ensure a seamless and efficient transport system across the country.
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