The Hyderabad police began investigating the case based on a complaint filed with them by the Regional Manager, ICICI Bank, Gachibowli. The bank complained that an unknown person carried a fake letter from a Sub Inspector of Police with the cybercrime division in Kolkata and cheated the bank. The fraudster had threatened the bank official of dire consequences if the bank account was not unfrozen. The bank in its complaint said the fraudster had misrepresented material facts, prepared forged notices and submitted the forged notices asking them to unfreeze 12 ICICI bank accounts.