CSAT stands for Civil Services Aptitude Test, which is a part of the UPSC Civil Services Exam (Preliminary) in India. It was introduced in 2011 to test the analytical skills, reasoning ability, and decision-making skills of the candidates. The CSAT exam pattern for UPSC consists of 80 objective-type (MCQ) questions, and the exam is conducted offline for a duration of 2 hours. The maximum marks for the CSAT exam are 200, and the qualifying marks are 66 marks (33% qualifying criteria). The syllabus for CSAT in UPSC Prelims 2023 includes comprehension, interpersonal skills including communication skills, logical reasoning, and analytical ability. The CSAT exam is qualifying in nature, and candidates have to score the minimum qualifying marks to clear the Preliminary stage of the UPSC Exam.