The Economic Offences Wing (EOW) of Mumbai Police on Saturday launched an investigation into a complaint of cheating filed by Bollywood actor Akshaye Khanna against a firm. In his complaint, Akashaye alleged he invested Rs 50 lakh in the firm on the advice of its president and his wife and director who assured him of doubling the amount by investing it in the commodity market, sources said on Saturday night. Akashaye said he invested Rs 50 lakh in the firm on the advice of its officials Akshaye, son of Bollywood actor of yesteryear Vinod Khanna, approached EOW through his lawyer and filed a complaint as the firm failed to return the amount promised, they said. Following the plaint, the EOW on Saturday registered a case of cheating with Malabar Hills police station.