December 24, 2012 :
HCC, in a joint venture with Coastal Projects Ltd, has been awarded a project by Northeast Frontier Railway to develop a single line Broad Gauge Tunnel between Kaimai Road and Kambiron Road stations on the new railway line being developed between Jiribam and Tupur in Imphal. The total cost of the project is Rs 230.98 crore (HCC's share is 60% - Rs 138.59 crore) and will be completed in 28 months. The project scope involves construction of single line broad gauge tunnel of approximate length of 4.9 k
m including earthwork, slope protection & stabilization, RCC portal walls, permanent tunnel support, construction of side drains, rock supporting system and ancillary work. This is the fourth order received by HCC on the new railway line being developed between Jiribam and Tupur in the state of Manipur, India.
The longest tunnel in India - Pir Panjal Tunnel built by HCC on Jammu - Srinagar - Baramulla Railway line.