In a move which may adversely affect Home minister Chidambaram, Subramanian Sway, President Janata Party , has filed petition in the Supreme Court requesting direction to call Former Finance Minister Chidambaram on his role in the 2G scam. His plea is that Chidambaram is also equally responsible for the decisions taken in the 2G allotment. The present case is filed in appeal against the decision of the lower court dismissing his petition to bring Chidambaram as a witness in the case.