According to sources, the agency sleuths questioned Karti for 7 hours on Friday. The process began at 9 AM and continued for 7 hours.
In the process Karti was confronted with many documents seized during the search at various places in relation with INX case.
He was also asked pertinent questions related to the process of FIPB clearance.
Special Judge Sunil Rana extended Karti’s custody till March 6 after the CBI contended that there were very shocking evidences of what he has done when he went abroad and alleging when he went abroad, he closed bank accounts in which funds were received.
The agency has claimed that there is substantial evidence with the agency which needs to be confronted with Karti.
Karti was arrested on Wednesday at Chennai Airport on his return from the United Kingdom in connection with the FIR lodged on May 15 last year alleging irregularities in the Foreign Investment Promotion Board (FIPB) clearance to INX Media for receiving overseas funds to the tune of Rs 305 crore in 2007 when P Chidambaram was the union finance minister.