Coal Mine: खदान से कैसे निकलता है कोयला और बनती है बिजली? (BBC Hindi)
#Coal #coal #extracted
“BBC News Hindi”
In India, 64 percent of the total electricity generation comes from coal. But do you know how coal is extracted from mines?
source
#Coal #coal #extracted
In India, 64 percent of the total electricity generation comes from coal. But do you know how coal is extracted from mines?
source