HDFC Bank share price today: HDFC Bank shares crashed 12 per cent in the past four trading sessions following the sudden resignation of its part-time chairman Atanu Chakraborty​HDFC Bank share price today: HDFC Bank shares crashed 12 per cent in the past four trading sessions following the sudden resignation of its part-time chairman Atanu Chakraborty ​Latest News [ SOBAN NEWS: International and National ]