Official Answer Key & Detailed Solution
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Correct Answer: Option (C) — Kolkata-Hajira
Concept & Option Breakdown
Standard Reference VerifiedAmong the given options, the Kolkata–Hajira route (formerly NH 6, now largely part of NH 53) is the longest at nearly 1,949 km, connecting Surat (Hajira) in Gujarat on the western coast to Kolkata in West Bengal on the eastern side.
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