ICICI Bank has appointed retired IAS officer Girish Chandra Chaturvedi as non-executive part-time chairman of the bank with effect from July 1, for a period of three years, the bank said in a notice to the stock exchanges.Chaturvedi, a 1977 batch IAS officer, retired as oil secretary in January 2013. The appointment is subject to RBI and shareholder approval.He takes over from MK Sharma who retires from the bank on June 30.”The Board is extremely pleased with this development and believes that Mr. Chaturvedi will provide maturity and sagacity to the deliberations of the Board. This would also ensure a seamless and smooth transition of leadership at the Board and would address stakeholder concerns in this behalf. We affirm that Girish Chandra Chaturvedi is not debarred from holding the office of Director by virtue of any order of Securities and Exchange Board of India or any other such authority,” ICICI Bank said in a stock market notice.ICICI Bank shares rose and were trading 1.40% after the announcement.