India's Karnataka Bank falls after top boss Sarma steps down
** Shares of India's Karnataka Bank KBNK.NS down 4.4% ** Lender's MD, CEO Srikrishnan Hari Hara Sarma has resigned citing personal reasons, KNBK said on Sunday ** Executive Director Sekhar Rao has also stepped down, co added ** Bank says has formed a search committee to identify candidates for the two positions ** YTD stock has fallen 7% (Reporting by Hritam Mukherjee in Bengaluru) ((Hritam.Mukherjee@thomsonreuters.com;))