Anil Agarwal supercharged his rise from scrap metals trader to billionaire commodities magnate by embracing bold acquisitions and lots of debt.

BHP moves exploration team to Toronto to grow copper, nickel pipeline; Tesla gets involved in New Caledonia mine to secure nickel supply; Newmont to buy GT Gold for $311 million; Sibanye calls for mega-merger with AngloGold, Gold Fields

They were among eight miners trapped about 1,000 feet underground when accumulating methane gas exploded at the coal field in Marwar.

The value marked an increase of 593.7% over the previous quarter.

The Canadian company has acquired three patents related to battery anode materials from South Korea’s Yonsei University.

Oyu Tolgoi is one of the world's largest copper-gold-silver mines.

The world’s biggest miner is counting on a revival in demand for the fuel.