https://www.123articleonline.com/rss/author/401972/forum-iasArticles written by Forum IAS from 123ArticleOnline.comen-usCopyright (c) 123ArticleOnline.com All rights reserved. https://www.123articleonline.com/articles/1410941/cracking-the-code-a-comprehensive-guide-to-the-upsc-prelims-syllabus The UPSC Prelims is the first stage of the Civil Services Examination, designed to filter candidates for the Mains examination. It comprises two papers: General Studies Paper-I (GS-I) and General Studies Paper-II (CSAT).