The metals magnate has been buying shares of his London-listed Vedanta Resources, taking his stake to nearly 70 percent. Vedanta's Indian miner Sesa Sterlite, saddled with a $13.2-billion debt, got a reprieve in April when the Supreme Court lifted a two-year iron ore mining ban in Goa. Shares of oil and gas arm Cairn India tanked when its board took the controversial decision in July of approving a $1.25 billion loan to its parent, Sesa Sterlite.