Hello Aspirant,

The IAS syllabus is divided into two parts - Prelims and Mains and a major chunk of the IAS syllabus is from the General Studies section which will have questions from History, Geography, Polity, International Relations, English, Hindi, Regional language and others. Along with the UPSC syllabus 2021, candidates can also check the IAS exam pattern , to know about the marking scheme, stages and time duration of the exam for a better IAS study plan.

I am attaching a website link here which will help you a lot in understanding the syllabus and pattern of the UPSC exam:

https://competition.careers360.com/articles/upsc-ias-syllabus

Hope this helps!