Daily Excelsior. The Chhattisgarh Economic Offences Wing (EOW) on Friday conducted searches at 16 locations in six districts in connection with the alleged liquor, coal levy and medical scams, officials said.. Raipur, Oct 5 (PTI) The Chhattisgarh EOW/ACB on Monday filed a sixth supplementary charge sheet in a special court in the alleged coal levy scam, naming 12 people, including Congress MLA.