Four friends A, B, C, D went to four different cities Indore, Noida, Gurugram and Nagpur for interviews in four different companies PP, QQ, RR and SS but not necessarily in the same order. 'A' was not invited by PP. 'B' did not go to Gurugram and was not invited by RR and PP. RR conducted its interview in Nagpur. 'C' went to Indore. 'A' did not go to Nagpur and was not invited by SS.
Who went to Nagpur?