The Reserve Bank of India (RBI) appointed Yogesh Dayal, general manager, as an additional director on Ratnakar Bank’s (RBL) board last week. Meanwhile, Vishwavir Ahuja, managing director and chief executive officer of RBL, went on medical leave. After this announcement, shares of RBL Bank hit a 52-week low at Rs 132.35, down almost 23.2 per cent in Monday’s intraday trade.