kolkata a businessman at posta who lost rs 72 lakh a few days ago may have become a victim of sim card swapping and cloning a rare modus operandi used by cyber frauds in a sim cloning attack fraudsters gain access to the victims physical sim card and use a smart card copying software to create a duplicate of the original sim in the process they get access to the imsi international mobile subscriber identity number of the sim card the matter came to light after the businessman navratna jhawar failed to pay rs 22 lakh to another trader despite having a large amount in his account when the cheque bounced jhawar checked his account at the burrabazar branch of a bank and found the money was withdrawn through six transactions the probe by the antibank fraud section shows multiple attempts were made on two different days to withdraw the money from his accountthe money was withdrawn through online rtgs the businessman claimed his sim had been deactivated a few days ago though he had taken no such step