The Supreme Court today allowed Karti Chidambaram, son of senior Congress leader P Chidambaram, to travel abroad after depositing Rs 10 crore with its registry.<br />''<br />''The Court  asked him to cooperate with the probe saying "don't play around with the law".<br />''<br />''The apex court asked Karti to appear before the Enforcement Directorate on March 5, 6, 7 and 12 for questioning in connection with the INX Media and Aircel Maxis cases.<br />''<br />''A bench headed by Chief Justice Ranjan Gogoi also asked him to file an undertaking that he would return and cooperate with the investigation.<br />''<br />''The bench was hearing Karti's plea seeking permission to travel to France, Spain, Germany and the United Kingdom for the next few months for international tennis tournaments.<br />''<br />''Karti had sought permission to travel abroad from February 10 to 26 and again from March 23 to 31.<br />''<br />