Is it beneficial to join a crash course before the UPSC prelims?

Yes, they are very helpful in revising the whole syllabus in the 2.5 -3 months’ time frame. If you are a working professional or because of any circumstances you were not able to read the syllabus then Prelims Crash Course can be your savior.

Even if you are an aspirants who has done with his syllabus, for he/she also this very beneficial.

Almost it is 2.5–3-month course and every subject get almost 15 days’ time to get complete. In weekend you do have some tests too, which make you to gaze over your performance.