The time you spend searching Telegram channels, dealing with broken links, and squinting at blurred pages could be used to memorize the d-block trends. Invest in the physical book or a legal e-book. It is a one-time investment that will serve you for 12-18 months of your preparation.

✅ Buy the latest edition (check the copyright page for 2024/2025 if available). ✅ Use the book with your NCERT – never replace NCERT with Wadhwa. ✅ Skip the "Advanced" problems if you are only preparing for NEET. ✅ Do not hunt for a free PDF – the opportunity cost is your study time.