Uttarakhand tunnel rescue: 8-metre progress made through vertical drilling

With vertical drilling underway to further aid the rescue of the trapped workers in Silkyara tunnel, the rescuers managed to make progress over a distance of 8 metres down the ground in the last one and a half hours.

According to official sources, drilling of up to 8 metres has been completed in the last one and a half years, and currently, the work to lay a 900-mm pipeline is being undertaken.

Vertical drilling, one of the several chalked-out options to bring out 41 workers trapped inside the Silkyara tunnel, started on Sunday afternoon.