kolkata Two persons were arrested for allegedly duping a businessman of about Rs 84 lakh by swapping mobile phones SIM cardDuring the probe police learnt that the crime had been committed by switching Aroras mobile phones SIM card which was linked to his bank accountThe incident came to light after Arora noticed his SIM card was not workingHe found that the miscreants had withdrawn Rs 84 lakh from his account with a private banks branch in the Hare Street areaAs a result another SIM card was activated using his mobile number where OTPs and other bank related information were sent