Central Bureau of Investigation(CBI) has carried out raids at seven places in Lucknow and adjoining Sitapur in connection of the probe of Multi Crore Food Grain Scam of Uttar Pradesh. Official sources said that raids were conducted at many flour mills, rice mills and premises of their owners in six places in Lucknow and one in Sitapur district yesterday. AIR correspondent reports food grain scam in the state took place between 2002 and 2010 in which grains worth 35,000 crore rupees meant for BPL families was diverted to the open market.