The NRI, who works in Qatar, had received a phishing mail last August requesting him to update the bank details of his Non Resident Rupee (NRE) and Non Resident Ordinary Rupee (NRO) accounts.
Accordingly, he entered his user name and password by clicking on the link received in the name of his bank and sent the bank account details, a release from the Cyberabad Police said.
"Initially, amounts were transferred from NRE account to NRO account to various accounts in Mumbai and West Bengal. The NRI brought the matter to the notice of his bank who informed him that it was a fraud transaction, following which he lodged a complaint and a case was registered," it said.
Police traced the trio through their phone numbers, IP address of emails and various bank account numbers. Their bank accounts were subsequently frozen in Mumbai and West Bengal.
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The Cyber Crime Police of Cyberabad Commissionerate arrested Chinos Ozor alias Henry Ozor (a Nigerian), Ashok Ravi Arora, and Imtiaz Sadiq Sayyed, from Bandra East in Mumbai on March 20.
They were brought to the city on a transit remand.
"The main perpetrator of the crime, who is also a Nigerian is absconding. He was the one who had sent the phishing link (to the NRI). The Internet Protocol (of the phishing mail) was originated from Nigeria," the Cyber Crime Police said, adding that further probe is on.