The government has asked the Delhi Metro Rail Corporation, Konkan Rail Corporation DMRC, and international tunnelling experts Chris Cooper and Arnold Dix to come out with the SOPs by January-end.
Activists suggest unsuitable construction methods may be the root cause of the disaster, noting that the use of dynamite and large drills in the sensitive Himalayan terrain causes landslides and tunnel collapses.
41 Indian Workers Remain Trapped in Tunnel as Drilling Faces Challenges voanews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from voanews.com Daily Mail and Mail on Sunday newspapers.
Officials said around 21 metres of slab blocking the tunnel has been removed and a 19-metre passage is yet to be cleared. Rescue teams are planning to push pipes of 900 mm diameter, wide enough for the trapped men to squeeze through.
Qazigund-Banihal tunnel to be ready in March thenorthlines.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from thenorthlines.com Daily Mail and Mail on Sunday newspapers.