Mumbai Police have issued a lookout notice against former world Billiards champion Michael Ferreira after he failed to appear before them in connection with a 425-crore rupees scam.The lookout notice was issued against Ferreira in connection with a multi- level marketing firm QNet, in which he claimed to hold shares.The Economic Offence wing has arrested nine team leaders of the QNet so far for allegedly duping investors by offering to sell products like magnetic disks, herbal products and holiday schemes through fraudulent practices.