Really really disappointed even after giving such ...

Really really disappointed even after giving such a good interview to a hr member miss preeti.she was very nice and humble but suddenly a HR Sagar sir came and ask me a question which I replied in a very good sensible manner.but still I don't no y he rejected me when Preeti mam written my name for next round.is it bcse of a caste????I was only Muslim girl there.it was 1:00pm and most of the candidates wishing a good morning ridiculous and they got selected wow