It seems you are looking for a PDF copy of Kashf al-Asrar (by Ayatollah Ruhollah Khomeini) in Urdu — specifically a version associated with the phrase "20 hot" (which may refer to a file size, a page number, a part/section number, or a source label like “20 hot links” or “Hot 20” used by some file-sharing sites).
Digital Libraries: Websites like Internet Archive (archive.org) often host various editions of the translation. kashf ul asrar khomeini urdu pdf 20 hot
The header was different. It wasn't printed text. It looked like a high-resolution scan of a handwritten manuscript, bound into the back of the book. The ink was brown, faded, the handwriting hurried and aggressive. It seems you are looking for a PDF
Kashf ul Asrar is one of the most significant and debated works of Ayatollah Ruhollah Khomeini, the leader of the Iranian Revolution. Written in the 1940s, this book serves as a foundational text for understanding his political ideology and religious philosophy. It wasn't printed text