<span style="color: #222222;">The Enforcement Directorate has summoned former Finance Minister and Congress leader P Chidambaram in connection with a money-laundering probe. <br />''<br />''The case relates to losses suffered by Air India due to an alleged multi-crore aviation scam and irregularities in fixing air slots for international airlines during the United Progressive Alliance dispensation.<br />'' <br />'' Sources said, Mr  Chidambaram has been asked to depose on 23rd of this month before the investigating officer of the case at an Enforcement Directorate office in New Delhi to record his statement.</span><br />''  <br />