The issue relates to the amount of tax BHP owed for selling its Australian commodities via its Singapore marketing business — or allegedly shifting its profits offshore.
The company's Onça Puma nickel mines blamed for contaminating the Catete river, which prosecutors said had a "severe" impact on the Xikrin and Kayapo tribes.
Since the mid-1990s, the company has run a waterfowl observation and hazing program at its 182-hectare Berkeley Pit but in late 2016, several thousand snow geese died at the toxic pit.
Raiding a little more than half of the $95 billion foreign-currency and gold revaluation account would force the RBI to sell an identical proportion of the related assets, or $190 billion. That would trigger a “cataclysmic deflationary shock” for the economy.