Each year, some of the brightest young Indians join the civil services with the desire to serve the nation. But very soon they find out the steep challenges ahead as they need to battle, among other things, politicians who have other interests to serve. In "Just A Mercenary?: Notes from my Life and Career", former RBI Governor Duvvuri Subbarao chronicles his journey as a civil servant and offers aspiring civil servants some hard-learned lessons from his decades-long career.  Host: Prashanth Perumal   Edited by Sharmada Venkatasubramanian