Former Union minister. P. Chidambaram has been asked by Central Bureau of Investigation (CBI), to appear on June 6th, for questioning in connection with alleged irregularities in the clearance of foreign investment in INX Media. Chidambaram was called on Thursday for questioning in the case, but he sought another date to comply with the CBI notice. Delhi High Court has already given him relief from arrest till June 5th. His son, Karti Chidambaram, was arrested by CBI in the first week of March in Chennai for allegedly taking bribes to get clearance for INX Media.