Kolkata/New Delhi: Enforcement Directorate (ED) on Sunday raided the residence of Kolkata Police DCP (Special Branch) Shantanu Sinha Biswas and arrested city-based businessman Joy Kamdar in a money laundering probe linked to alleged illegal land deals and extortion. The ED action during the Bengal election season comes days after IT searches at the house of TMC candidate Debashish Kumar and Miraj Shah, one of CM Mamata Banerjee’s nomination proposers from his Bhawanipur seat. At a rally in Tarakeswar on Sunday, Mamata said, “The house of the person who looks after my security has also been raided since this morning. Do you want to kill me? They are raiding us every day. We will file a case for every single incident.” Kamdar, managing director of several companies mainly in the real estate sector, was taken into custody after questioning at the ED office. Searches were conducted at his Behala residence; ED has claimed to have recovered Rs 1.2 crore cash. Earlier he had not attended two ED summons. ED officials also searched DCP Biswas’s house in Ballygunge. Former OC of Kalighat police station, he was not present. His lawyer described the raid as “unexpected”. The investigation relates to alleged illegal land deals and extortion by a syndicate led by history-sheeter Biswajit Poddar alias Sona Pappu. The ED said that during recent searches, a Toyota Fortuner and a US-made revolver were seized. ED sources said the illicit money was routed through fronts and shell companies to be integrated into legitimate channels.