Carbohydrates, Polymers, and Practical Organic Chemistry from this book. Stick to NCERT for those.
I should check if the book is available online legally. If the original publisher is providing it, that's one thing, but if not, I need to be careful not to suggest illegal downloads. But given the user's query is about a PDF download, they might be aware of the legal issues, but I should still guide them ethically. that's one thing