Underground Tunnels at Borders (Download PDF)

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Construction of tunnels has been prioritized to provide all weather connectivity in the Border States. The two main passes being developed are: Rohtang pass in Himachal Pradesh, Theng in Sikkim.

Map of Rohtang pass And Theng Border

Map of Rohtang Pass And Theng Border

Map of Rohtang pass And Theng Border

Benefits of these Passes

  • Provide all weather connectivity, which will help in the socio-economic development of these regions.

  • Reduce the travel time.

Steps To Ensure Timely Completion of Projects

  • Geological investigations are being carried out during DPR preparation.

  • Enhanced delegation of powers has been given to BRO for outsourcing of consultancy services including DPR preparation.

  • In order to get acquaintance with the latest technology used by various developed countries for tunnel construction, officers of BRO are given training.

Image of Completion of Projects

Image of Completion of Projects

Image of Completion of Projects

The Rohthang Pass

  • The Rohtang pass is at situated at a height of 13, 050 ft,

  • It is being built on Pir Panjal range of Himalayas, around 51 km from Manali.

  • It connects the Kullu Valley with the Lahaul and Spiti Valleys of Himachal Pradesh, India.

  • The pass lies on the watershed between the Chenab and Beas basins.

  • Theng in Sikkim

  • The proposed length of the tunnel is 600-metre.

  • The tunnel was proposed by the Border Road Organisation [BRO] because this area faces rampant landslides.

  • An earth quake on sept 18, left many cracks on Theng Bhir, so it has become a very notorious zone to travel. There were many accidents and many people lost their lives in this area.

  • This pass is one of the lifelines of North District of Sikkim since the pass connects the district with the border areas.

Other Important Underground Passes being Considered

  • India is considering the creation of a well-connected network of at least 17 tunnels along the Line of Actual Control (LAC) that separates the country from Chinese territory.

  • These tunnels are being planned by India’s frontier road developer Border Roads Organisation (BRO),

  • Military posts and civilian areas located in the frontier region stretching from Ladakh to Arunachal Pradesh stay disconnected from the mainland for around half of the year.

- Published/Last Modified on: January 30, 2018

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