New Delhi, Sep 18 (TIWN) The Congress is facing its toughest phase as several of the senior party leaders are mired in legal battles, with at least two of them either in the judicial custody or in the custody of the investigative agencies.

Among those facing investigations or going through the judicial processes are senior Congress leaders like P. Chidambaram, former Karnataka Minister D.K. Shivakumar, former Haryana Chief Minister Bhupinder Singh Hooda, senior party leader Moti Lal Vora, husband of Congress General Secretary Priyanka Gandhi Robert Vadra and Haryana Congress leader Kuldeep Singh Bishnoi.  Chidambaram, former Finance Minister, was first to face the heat of the investigative agencies after the Lok Sabha polls.  He was arrested on August 21 by the Central Bureau of Investigation (CBI) which is probing the case of alleged irregularities in the grant of Foreign Investment Promotion Board (FIPB) approval to the INX Media case involving Rs 305 crore when Chidambaram was the Finance Minister.  Following the arrest, Chidambaram, who had also held the portfolio of Home Minister, spent 14 days in CBI custody till September 4. He was sent to 14 days'' judicial custody on September 5 by a Delhi court.