बारिश के मौसम में OPENCAST Mines को कैसे बचाया जाता है और कोयले का उत्पादन कैसे होता है | Khanan

#coalmining #opencastmines #khanan
Coal mining in Rainy season
VIDEO CREDIT : NCL ™
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[@rohitkeshrikeshri1799]

Plz sir Hemm ki vacency ki jankari update kre

[@kamleshpawar2021]

NCL hemm barti kab tak

[@kamleshpawar2021]

Plz confirm me sir ji