Chanda Kochhar, being investigated for alleged conflict of interest, has resigned as ICICI Bank CEO and will be replaced by Sandeep Bakhshi, the lender confirmed on Thursday. Ms Kochhar, 56, had requested early retirement, the bank said. She will relinquish office from the board of directors with immediate effect, the private sector bank said in a regulatory filing. She will be replaced by Mr Bakhshi, who currently serves as executive director and chief operating officer at ICICI Bank.