Kolkata: The Enforcement Directorate has arrested a Hong Kong-based businessman, identified as Deepak Kulkarni, in connection with Rs 13,000 crore fraud case with Punjab National Bank (PNB).Kulkarni was detained by the immigration department at Kolkata Airport on Monday night. Later, he was handed over to the ED officials. Sources informed that while probing the PNB fraud case, ED sleuths came to know that Kulkarni used to manage Choksi’s business in Hong Kong. As he did not come to India since the case was started, the ED had issued a look-out notice. His passport had also been blocked. On Monday night, when Kulkarni arrived at Kolkata Airport, immigration officials saw his blocked passport number and detained him. Senior officials of the department were informed. Later the ED officials were told about Kulkarni’s detention. On Monday night, a team from the ED went to Kolkata Airport and Kulkarni was handed over to them by the immigration department there. He was brought to the ED office at CGO Complex in Salt Lake. After arresting Kulkarni, ED officials from Kolkata informed the headquarter in Delhi and the investigating office in Mumbai. A team from Mumbai will come to Kolkata and take charge of his custody soon. On Tuesday, Kulkarni was produced before a city court and ED officials appealed for a transit remand to take him to Mumbai. He will be produced there in a court and will be taken into ED custody. Sources informed that the CBI might also take Kulkarni in their custody after ED’s custody gets over. According to sources, Kulkarni was the director of one of Choksi’s companies. His name was mentioned in the FIR as an accused as well. Earlier, an arrest warrant was issued by a court in connection with the PNB fraud case.