The UPSC exam does not have any e specific cutoff for passing the examination this examination is like a total War because it is an examination of an year. The whole UPSC exam can be defined in three main steps:-
If you want to pass the exam you have to suffer all these three steps in by succeeding on all this thing will make you pass in the examination. If you want to become an IAS then you have to score your rank under all India rank hundred. Cutoff for all these three step are decided after the examination conducted it is based on number of candidates appeared and number of candidates selected in the exam number of candidates selected in the interview exam in other.