Sarah Qezilbash / New Delhi June 1, 2009, 0:48 IST What does a brand do in times of trouble? What roles can advertising and communication play in times such as these? Just advertise or use tools like PR to send out positive signals to the world? And does a bigger brand, and a bigger ad budget automatically guarantee success? Brands Under Fire seeks to figure out just this, with a somewhat unique format. It takes four case studies of some of India