Rat Hole Mining To The Point | UPSC Current Affairs | Drishti IAS
#Rat #Hole #Mining #Point #UPSC #Current #Affairs
“Drishti IAS”
Subject: GS 3, Environment
Recently, workers trapped in the Silkyara-Barkot tunnel under construction in Uttarkashi, Uttarakhand have been successfully rescued. Let us tell you that to save the workers trapped in this tunnel, the help of ‘rat hole mining’ was taken.
This video covers…
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