Hello aspirant,

Hope you are doing absolutely great.

So with regard to your query, the syllabus for UPSE is vast and it includes many subjects. The exam consists of three levels, that is Prelims, Mains and Interview. The syllabus for the exam will be provided by the UPSC itself in its official site every year. You can check it. However, for more details checkout this link and download the syllabus: https://competition.careers360.com/articles/upsc-ias-syllabus

Hope this helps you!!