<span style="color: #222222;">CBI today listed former finance minister P Chidambaram and his son Karti as an accused in the supplementary chargesheet filed in the Aircel Maxis case. </span><br />'' <br />'' <span style="color: #222222;">The charge sheet was filed before special CBI judge O P Saini who has fixed July 31 for considering the document.</span><br />'' <br />'' <span style="color: #222222;">The senior Congress leader's role had come under the scanner of investigating agencies in the Aircel-Maxis deal of 3,500 crore rupees and INX Media case involving 305 crore rupees. </span><br />'' <br />'' <span style="color: #222222;">It was during his tenure as the finance minister in the UPA-I government that clearance from the Foreign Investment Promotion Board (FIPB) was granted to the two ventures in which alleged irregularities have been found.</span><br />'' <br />