New Delhi, Sep 19 (TIWN) In a major jolt to former Finance Minister and senior Congress leader P. Chidambaram, the special CBI judge extended his judicial custody till October 3 on Thursday.

Special judge Ajay Kumar Kuhar also allowed medical examination of Chidambaram.  The court extended the judicial custody of Chidambaram after the CBI sought extension of the veteran Congress leader's judicial remand.  Solicitor General Tushar Mehta, appearing for CBI, sought extension of the judicial custody and said there has been no change of circumstance from the day he was first sent to jail.  Senior advocate Kapil Sibal, appearing for Chidambaram, opposed the investigative agency's plea to extend his judicial custody.  Sibal moved an application on behalf of Chidambaram seeking regular medical checkup and adequate supplementary diet during judicial custody in Tihar Jail.