The Enforcement Directorate (ED) on Thursday issued fresh summons to Karti Chidambaram, son of Congress leader P. Chidambaram, in a money laundering case related to alleged irregularities in FIPB clearance accorded to INX Media in 2007, an official said. Karti Chidambaram has been asked to appear at the ED headquarters in New Delhi on January 16 and record his statement before ED officials probing the case. The agencys move comes after he did not appear at the agency's headquarters on Thursday in response to earlier summons issued against him. The ED had registered a money laundering case against him in May 2017.