There were a total of seven floors in a multi storeyed building. The floors were named A,B,C,D,E,F and G from bottom to top respectively, floor A being the ground floor. Seven persons named Pawan, Kishwar, Ram, Saurabh, Tarun, Uma and Vaibhav, occupied a floor, not necessarily in the same order. Vaibhav occupied floor D. Only one person lived below the floor occupied by Tarun. Kishwar was living exactly above Pawan's floor. Ram was living exactly below Vaibhav's floor. Uma occupied the topmost floor. At which floor does Pawan live?