India, Dec. 18 -- A key rail infrastructure project linking Gurugram and Manesar has crossed a major construction milestone, with one of the country's largest passenger rail tunnels under the Haryana Orbital Rail Corridor (HORC) achieving over 50% excavation, officials said. Of the total tunnel length of 7,200 metres, 3,773 metres have been excavated so far, significantly advancing a project aimed at easing congestion and strengthening rail connectivity around Gurugram's industrial and urban hubs, they added.

The progress was reviewed by Haryana chief secretary Anurag Rastogi, who is also chairman of the Haryana Rail Infrastructure Development Corporation (HRIDC), during the 33rd meeting of the HRIDC board of directors. The tunnel is bei...