The governor of Bangladesh Bank Atiur Rahman has resigned from his post on Tuesday amid criticism over US$101 million heist by hackers from Bangladesh Bank account with the New York Federal Reserve Bank.He submitted a resignation letter to Prime Minister Sheikh Hasina at PMO on Tuesday morning. Earlier Tuesday morning, Atiur Rahman told newsmen at his official residence in Gulshan that he is prepared to resign for ethical reasons.He said, ‘I have already prepared my resignation letter. Now I need to meet Prime Minister Sheikh Hasina. I am just waiting for her orders. Once I got directive from Prime Minister, I will hand over my resignation letter to her.’The hacking took place on the night of February 4, a Thursday, using information stolen through the malware, which sent a total of 35 transfer orders to the NY Federal Reserve Bank where the BB has an account.