New Delhi, Feb. 9 -- They stand ashen-faced in small clusters near the devastated barrage of the NTPC's Tapovan-Vishnugad hydel project, waiting for some news about their missing relatives.

Camping at Tapovan since the glacier tragedy struck in Uttarakhand's Chamoli district on Sunday, the hope of being reunited with their missing kin brings them every morning to the banks of the Dhauli Ganga, half a kilometre from Tapovan, where intense efforts are underway to trace around 30-35 people trapped inside a tunnel that belongs to the project.

One of the glum-faced bystanders is Dipak Nagwal of Kanchula village, whose sister's husband Sateshwar Singh, a contractual mechanic, was at work inside the tunnel at the time of the avalanche.

His wher...