File photo of a vendor resting next to sacks of onions at a wholesale vegetable market in Kolkata

A vendor rests next to sacks of onions at a wholesale vegetable market in Kolkata in this March 16, 2012 file photo. The global economy is set to expand by a modest 3.3 percent this year as a still-smouldering euro zone debt crisis and a relatively slow U.S. recovery continue to leave Asia as the main driver of growth, Reuters polls showed on April 19, 2012. Asian economies, as well as Latin America, are expected to pick up the pace later this year, driven by monetary stimulus after a soft patch - a boost Western policymakers are increasingly unable to provide. REUTERS/Rupak De Chowdhuri/Files (INDIA - Tags: BUSINESS EMPLOYMENT POLITICS)