The information is based on revelations by an arrested key accused, close to the multi-crore scam alleged kingpin Sagar Thakkar alias Shaggy, the official told PTI.
The arrested accused has revealed details of some more scams and their modus operandi in which they suspect thousands of US and some more foreign nationals have been cheated, he said.
Beside cheating the US nationals by posing as US Tax Department officers, scamsters used to cheat people through the 'medical pharma scam', the official said.
The Thane Crime branch team is working to get more details of this scam, the official added.
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In another racket, calls were made to people in the US for loan approval in which repayment was in instalments.
In this, thousands of dollars worth of loan amount was deposited in the account of the victim to lure him without any documentation.
If the victim evinced interest to get the loan, the call centre executive would then ask an upfront EMI to release the money, the police official said.
Meanwhile, Thane Commissioner of Police, Parambir
Singh told