If you still manage to get a legitimate PDF (e.g., your coaching center shares it as a handout), ensure it contains these three things:
A quick Google search for the keyword will lead you to Telegram channels, random educational forums, and file-sharing sites like StudyChacha, ExamsRoad, or even Google Drive links. Here is why you should be cautious: Allen Test Series Pdf Download
Before you start your rigorous preparation, download a single full-syllabus test from a previous year. Solve it without preparation. If you still manage to get a legitimate PDF (e