...is non-existent, because by the rules of sudoku all columns contain one each of the digits 1-9 and therefore all columns add up to 45. See http://en.wikipedia.org/wiki/Sudoku
I missed the trick. It was not 9x9 but 3x3 my mistake and so still would give nimesh as winner if no one else mind
@xpt: even I agree but my answer was based on the que posted by shabbir as per the competition rules, Added 20th Jun 2009 - After all we are Human and if the poster does any mistake in question there would be no winner.