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A mining practice banned for being unsafe has come to the aid of the 41 workers trapped inside an Uttarakhand tunnel after high-tech, imported machines broke down during the long-drawn operation

Uttar pradeshUnited statesNeeraj khairwalRajput raiNational green tribunalMeghalaya high courtHow rat hole miningMay saveUttarkashi tunnelUttarakhand tunnel rescue latest newsUttarkashi tunnel collapseRat hole mining