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Q: The latest type of rails, that are used on Indian railways presently, is
  • A. Wrought iron/पिटवा लोहा
  • B. Bull headed/बुल शीर्ष वाली
  • C. Double headed/दोहर शीर्ष वाली
  • D. Vignole rail/विग्नोल रेल
Correct Answer: Option D -
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Explanations:

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