PM Modi gave clean-chit to China: Chidambaram spars with Foreign Minister S Jaishankar on Katchatheevu Island row Katchatheevu Island row: Former Home Minister and senior Congress leader P Chidambaram reacted sharply to External Affairs Minister S Jaishankar's insinuations on Katchatheevu Island controversy, digging out a 2015 Right to Information (RTI) response to nail the Narendra Modi Govt on the issue.