The burning hills of Uttarakhand thehindu.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from thehindu.com Daily Mail and Mail on Sunday newspapers.
Sandip Potnis said improper shotcreting the process of spraying concrete that forms lining layers in the tunnel or delayed installation of lining supports such as steelsets or lattice girders could also lead to an instability
What s causing a delay in the rescue of 40 trapped labourers in Uttarkashi tunnel? firstpost.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from firstpost.com Daily Mail and Mail on Sunday newspapers.