Rediffusion has had an eventful year. Adding to that, the company is set for a slew of senior level changes. Mahesh Chauhan, Group CEO, Rediffusion has quit the company. D Rajappa, President, Everest Brand Solutions has been moved to Rediffusion Y&R to head the agency. Dhunji Wadia, who had quit JWT India six months back, replaces D Rajappa at Everest.