A CBI court on Monday extended the judicial custody of Y.S.R.Congress Chief Jagan Mohan Reddy for two more weeks. He was arrested in a disproportionate assets case on 27th of last month.The investigation agency had sought permission to carry out a lie detection test on him. The CBI Superintendent of Police H. Venkatesh said that the agency seeks indulgence of allowing the agency for using scientific way for deriving information from Jagan and Vijaysai Reddy. The court order comes a day before the crucial bypoll to the 18 assembly seats and one Lok Sabha constituency in Andhra Pradesh.