Alleged N2.7bn contract fraud: Sirika’s company not on bidders’ list -Witness An Economic and Financial Crimes Commission (EFCC) witness said that former aviation minister, Hadi Sirika’s company was not … July 5,9:17 PM By Frontline In Judiciary tags: Alleged,Aviation,bidders,company,corruption,counsel,fraud,Frontline,Frontlineng,Hadi Sirika,N2.7bn contract,Witness,