A CBI court on Friday issued a notice to Sushen Mohan Gupta and two firms accused in the Enforcement Directorate's fifth supplementary charge sheet of the Agusta Westland case.The court also further extended Gupta's judicial custody till the next date of the hearing on September, 18.On Wednesday, the Enforcement Directorate had filed a supplementary charge sheet before a special CBI court against Sushen Mohan Gupta, an alleged middleman in the Rs 3,600-crore AgustaWestland VVIP chopper scam case.Special CBI Judge Arvind Kumar will consider on Thursday the fifth supplementary charge sheet filed by the agency in the case.Gupta along with two other firms have been named as accused in the charge sheet. He was arrested by the ED under the Prevention of Money Laundering Act.The alleged middleman, who is under judicial custody, moved a bail application which will also be taken up by the court tomorrow.The ED contended, "There is clinching evidence against Gupta for his role in the deal and ..