ICICI Bank on Friday appointed retired IAS officer and former petroleum secretary Girish Chandra Chaturvedi as part-time non-executive Chairman and independent Director on the bank's Board. Chaturvedi has previously served as a government-nominee director on the boards of LIC, Canara Bank, IDBI Bank, among others. Chaturvedi will replace current Chairman MK Sharma after his term ends on June 30.