Another jokes:
SIR: Mr A, Where were you born
STUDENT: (With full confident) Sir, in Thiruvananthapuram Railway Station
SIR: can u spell the word "thiruvananthapuram"??
STUDENT: Sir I can spell the codes of Thiruvananthapuram, it...
more... is T..V..C
SIR: What?? u didn't know the spelling of thiruvananthapuram
STUDENT: err..... on in second thought sir I was born in IB. I knew even the spelling of IB...
(where IB is a station just after JSG-Jharsuguda)