A worker sifts wheat at a grain market in the northern Indian city of Chandigarh
A worker sifts wheat at a grain market in the northern Indian city of Chandigarh April 4, 2009. Wheat purchases by Indian state agencies have started strongly in the new season, further boosting government stocks and leading to industry calls to allow exports after a two-year ban. REUTERS/Ajay Verma (INDIA AGRICULTURE BUSINESS)