The KPSC-KAS-Gazetted Probationary exam is conducted in three stages, of which Mains is the second stage. In this stage, candidates have to write nine papers (2 qualifying). The total examination is for 1750 marks. It has an Essay paper, General Studies Paper-1, General Studies Paper-2, General Studies Paper-3 and General Studies Paper-4 and an Optional paper( 2 papers). Based on the cut-off, candidates are selected in the ratio 1:5 for the interview.