In Tarapith (Birbhum district, West Bengal) and Bardhaman, genuine tantrics teach the Nilavanti Sadhana. They provide xeroxed copies of a few chapters to serious sadhaks after initiation—never as a public PDF.
People facing life problems (love, finance, health) often turn to these texts seeking instant, 3-day solutions. They believe the PDF holds the magical answer.
If you search for this phrase online, you will encounter several links on file-sharing sites or digital libraries (e.g., Archive.org, Bengali e-books forums). Proceed with caution: