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Uttarkashi tunnel: Rescuers resort to old method of rat-hole mining as modern machine fail : vimarsana.com
Uttarkashi tunnel: Rescuers resort to old method of rat-hole mining as modern machine fail
Rat-hole mining, popular in Meghalaya, involves drilling small holes in the earth for coal extraction.
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Rakesh Rajput
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Mohan Rai
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Neeraj Khairwal
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Trenchless Engineering Services Private
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Trenchless Engineering Services Private Limited
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Navayuga Engineers Private
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Additional Secretary
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Uttarakhand Tunnel Collapse
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