Union Home Minister P Chidambaram visited Supreme Court to review the security preparedness at the complex against the backdrop of the recent terror attack outside the Delhi High Court.Mr. Chidambaram was accompanied by Delhi Police Commissioner B K Gupta and other senior police officials. Delhi Police has already floated a tender for hiring of CCTVs to cover the perimeter of Supreme Court. Besides CCTVs, the official said, more police personnel are being deployed at courts to thwart any untoward incident.