The construction project, which is largely widening more than 800km of roads to connect four major stops of the Char Dham pilgrimage route, brings together two pillars of the image Modi has built: as an ambitious infrastructure developer and a champion of Hindu interests
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