However, challenges mounted. Nurul faced criticism from colleagues who labeled his work “antagonistic to academic tradition.” Publishers sent stern emails: “Your free content undermines the market.” Even Rupa’s class encountered a crisis when a pirated version of the PDF, riddled with errors, mislead a study group to fail an exam.
Yet, the university administration, wary of potential revenue loss, hesitated to endorse a free version of the book. "Publish it in-house," they urged, "We’ll charge half price." Nurul refused. "Half price is still a wall for someone who can’t even read a textbook." Determined, he began compiling his work into a PDF, uploading it anonymously to open educational resource platforms. However, challenges mounted