Farmers all over Vidarbha in eastern Maharashtra will stage candle-light protests on the eve of US President Barack Obama’s visit Friday, seeking to draw his attention to the plight of agriculture sector in the region, an official said. The US policy of providing huge subsidies to cotton farmers in America has triggered over 216,000 farmland suicides in India, Vidarbha Jan Andolan Samiti chief Kishor Tiwari said in a statement here Thursday.