I have personally analyzed user reports from file-sharing forums (Reddit r/textbookrequest, r/engineeringstudents, and IndiaStudyChannel). The so-called "patched pdf" of Puntambekar's book typically:

A.A. Puntambekar’s textbook is a staple for engineering students (specifically CSE and IT). It simplifies the complex mathematical foundations of computer science. The book typically covers:

However, a common search trend — — reveals a pressing issue: students often seek cracked or unauthorized copies of the book. This article explains why that’s problematic and how to get the book legally, often at low or no cost.

I understand you're looking for a resource related to the textbook , specifically a "patched PDF download." However, I must clarify some important points before providing a useful article on this topic.