Cyber criminals have launched a new scam in Hyderabad in the name of delivery Blue Dart services. These criminals, who are trying to rob innocent people, are saying that the address is not available and that they are sending the delivery boy's number and are suggesting that they call the number *21*9123114243. Cyber experts are warning that if you dial this number, your phone calls and messages will be forwarded to cyber criminals. People are advised to be vigilant about such scams.