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Q91 (NDA-I/2018) Geography › Indian Physical Geography › Indian mountain ranges Answer Verified

Which of the following statements regarding construction of Rohtang tunnel is NOT correct ?

Result
Your answer: —  Â·  Correct: A
Explanation

The Atal Tunnel (formerly Rohtang Tunnel) is located at an altitude of approximately 3,000 metres (roughly 10,000 feet) above Mean Sea Level, not 5,000 feet [3]. Specifically, the South Portal is at 3,060 metres and the North Portal is at 3,071 metres [1]. Statement 2 is correct as the tunnel provides all-year connectivity to the Lahaul and Spiti Valley, which was previously cut off for six months due to heavy snow [1]. Statement 3 is correct as the project was executed by the Border Roads Organization (BRO) [3]. Statement 4 is also correct; the tunnel reduces the distance between Manali and Leh by approximately 46 to 50 km, significantly cutting travel time [3]. Therefore, the statement regarding the 5,000-foot altitude is the incorrect one.

Sources

  1. [1] INDIA PEOPLE AND ECONOMY, TEXTBOOK IN GEOGRAPHY FOR CLASS XII (NCERT 2025 ed.) > Chapter 7: Transport and Communication > Other Roads > p. 78
  2. [3] https://en.wikipedia.org/wiki/Atal_Tunnel
  3. [2] https://marvels.bro.gov.in/AtalTunnel
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