manual drilling

Uttarkashi: The National Disaster Management Authority (NDMA) has announced that manual horizontal digging will soon begin to supplement the ongoing top-down drilling efforts in the rescue operation to free 41 workers trapped in the…

Uttarkashi: In a strategic shift to accelerate the rescue efforts at the Silkyara tunnel collapse site in Uttarkashi, authorities have opted to transition from the US-made Auger drilling machine to manual drilling. This decision was…