AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
(b) Lahaul-Spiti Valley
The Atal Tunnel (9.02 km) connects Manali to Lahaul-Spiti Valley throughout the year.
Source: Railways, Chapter 7
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The passage clearly states that the Atal Tunnel, built by the Border Roads Organisation, connects Manali to Lahaul-Spiti Valley. Note the spelling — it is "Lahaul-Spiti," not Kashmir or Zanskar. For MCQs, always state the option letter first, then justify briefly in one line.