India-focused refiner and power generator Essar Energy said core earnings fell 10 per cent in 2011, falling short of analyst forecasts due to weaker refining margins and depreciation of the rupee in t

Essar Energy Plc on Monday reported a 49 per cent jump in earnings for the first half of 2011 on the back of higher refinery margins, but the London-listed firm said it continues to battle delays rela