The simplest way to know you’re studying the right things is to keep your preparation aligned with the UPSC syllabus and Previous Year Questions. If what you’re studying connects directly to these two, you’re on the right track.

Many aspirants feel confused because they rely on random sources instead of tracking the syllabus topic-by-topic. Structured self-learning tools that map subjects to the syllabus and PYQs can help you stay focused and avoid unnecessary material.
Interactive Syllabus: https://askyooki.com/Interactivesyllabus
When your preparation is guided by the syllabus, tested through PYQs, and supported by regular revision, self-doubt gradually turns into clarity.
Yooki: https://askyooki.com/
Syllabus and PYQs -these are the basic building blocks. Whenever you start, spend at least one month in almost memorising the Syllabus for prelims & mains. While studying a topic you must have a clear view on where all this topic fits in the syllabus and what PYQs have been asked on these topics.