Special teams of the Central Bureau of Investigation (CBI) on Tuesday conducted simultaneous searches on the premises of Congress MP Karti P. Chidambaram and his associates at multiple locations in the country in connection with a visa scam when his father P. Chidambaram was the Union Home Minister, a decade ago.

The CBI registered a case against Mr. Karti, his close associate S. Bhaskar Raman, private companies based in Mumbai, Mansa (Punjab), and unknown public servants and private persons. Searches were conducted at 10 places, including in Chennai, Mumbai, Koppal (Karnataka), Jharsuguda (Odisha), Mansa and Delhi.