Usually, the UPSC invites applications 12-13 times the number of available vacancies and the cutoff is accordingly determined. Moreover, candidates have to score a minimum of 33% in the CSAT paper as per the new format.
To be sure of qualifying the IAS, a candidate must achieve a rank within the top 100.
The UPSC (IAS) Prelims cutoff for 2024 will be declared after the exam is conducted. The cutoff marks vary every year depending on various criteria. The last year cutoff marks for IAS prelims was 95-105 out of 200.
Yes, the UPSC will be releasing cut off marks for each stage.