In line with its target to ramp up subscriber base to 8-10 million in the next fiscal, and provide better customer care service, Tata Teleservices (TTSL) has inducted three key management personnel from the Tata group, and bifurcated its marketing and customer care divisions.TTSL has appointed Jehangir Ardeshir as president (customer care) while Harish Bhat would be president (marketing), chairman Firdose Vandrevala said today.Amit Bose, current president (marketing), would look after corporate affairs including business planning and processing.Vinayak Deshpande, former managing director of Tata Honeywell, would be president (operations) looking after the south and western regions while Ajay Pande, current president (operations), would look after the north and east operations.Greg Young from Telstra, Australia, would be the chief of network operations and value-added services.While Ardeshir is presently the CEO of Tata TQM, Harish Bhat is the CEO of Tanishq.