Screen Reader Access Skip to Main Content Font Size   Increase Font size Normal Font Decrease Font size
Indian Railway main logo
Search :
Find us on Facebook   Find us on Twitter View Content in Hindi
National Emblem of India

About Us

General Info

Passenger Services


News & Updates

Contact Us

Bookmark Mail this page Print this page
Breakthrough of Tunnel No – 11 achieved, Another milestone in the prestigious Sivok – Rangpo Rail Project

Tunnelno.T-11of the Sivok - RangpoRailProject(SRRP),located in Kalimpong Dist., West Bengal, achieved a major milestone of breakthrough o­n the special day of 126th birth anniversary of Netaji Subhash Chandra Bose o­n 23rd January, 2023.This is the sixth breakthrough of tunnels inthis project. However, in the context of the length, this is the first breakthrough of any tunnellonger than 3 km.

ThelengthoftheMainTunnelis3205m andofEvacuationTunnelis960m,locatedin between Tarkhola and Tumlangkhola in Kalimpong district of West Bengal. The Evacuation Tunnelconnecting the NH-10 and the Main Tunnel No. 11 was completed in December 2022.TheMainTunneltraversesthroughvulnerableandchallenginggeologicalandseismicconditionsof the Lesser Himalaya. Like all other tunnels in the SRRP, to counter vulnerability of thegroundmass,latestandmostsophisticatedtunnelingtechnology,i.e.,NewAustrianTunneling Method or NATM has been used here. A Swiss Consultancy team has been engaged for the tunnel design in this project and the execution teamincludestopclassandwellexperienced engineersfromIndia. 

Theminingwork in the tunnel wasstartedonFebruary2020 aftercompletionofapproachroadsandportaldevelopmentalworkonbothsides. 

This new rail link project connecting Sevoke (West Bengal) and Rangpo (Sikkim) isabout 45 kms long and is characterised by 14 nos. tunnels, 22 nos. bridges and 5 nos.stations. About 38 kms of the entire project alignment is passing through tunnels and it is tomention that 67% of tunnelling work has already been completed.This is o­ne of theprestigiousongoingNationalprojectsinIndiaandoncompletionofthisproject,firsttimetheStateofSikkimwillbeconnectedvia railways.Atpresent all the activitiesrelated toconstructionoftunnels,bridgesandstationyardsaregoingonwarfootingbasistocompletetheproject at the earliest.

(Sabyasachi De)

  Admin Login | Site Map | Contact Us | RTI | Disclaimer | Terms & Conditions | Privacy Policy Valid CSS! Valid XHTML 1.0 Strict

© 2016  All Rights Reserved.

This is the Portal of Indian Railways, developed with an objective to enable a single window access to information and services being provided by the various Indian Railways entities. The content in this Portal is the result of a collaborative effort of various Indian Railways Entities and Departments Maintained by CRIS, Ministry of Railways, Government of India.