CBI arrests P Chidambaram

Congress workers shout slogans during a protest against the arrest of the party leader P Chidambaram, in Kolkata, Thursday, August 22, 2019. (PTI Photo)

Tamil Nadu Congress Committee members stage a protest against the arrest of senior party leader and former finance minister P Chidambaram in the INX Media case at Satyamurti Bhavan, in Chennai, Thursday, Aug 22, 2019. (PTI Photo)

Central Bureau of Investigation (CBI) officials arrest Congress leader P Chidambaram from his Jor Bagh residence in New Delhi, Wednesday, Aug 21, 2019. (PTI Photo)

An official clears the way for the vehicle in which Central Bureau of Investigation (CBI) officials escorted Congress leader P Chidambaram after his arrest from his Jor Bagh residence in New Delhi, Wednesday, Aug 21, 2019. (PTI)

Central Bureau of Investigation (CBI) officials arrest Congress leader P Chidambaram from his Jor Bagh residence in New Delhi, Wednesday, Aug 21, 2019. (PTI)

Central Bureau of Investigation (CBI) officials escort Congress leader P Chidambaram from his Jor Bagh residence in New Delhi, Wednesday, Aug 21, 2019. (PTI)

Central Bureau of Investigation (CBI) officials escort Congress leader P Chidambaram from his Jor Bagh residence in New Delhi, Wednesday, Aug 21, 2019. (PTI)

Congress leader P Chidambaram addressing a press conference with party leaders Kapil Sibal, Abhishek Singhvi, Mallikarjun Kharge, Ghulam Nabi Azad, Ahmed Patel and KC Venugopal at AICC HQ, in New Delhi, Wednesday, Aug 21, 2019. (PTI)