Most university libraries in India have 3-4 copies of Dr. Singh. Photocopy the Specific Chapters you struggle with (e.g., just "Rearrangements" or "Heterocyclics"). This gives you a physical handout for 50 rupees.
While many textbooks treat Pericyclic reactions as an afterthought, Dr. Singh dedicates exhaustive chapters to FMO theory (Frontier Molecular Orbitals), Woodward-Hoffmann rules, and electrocyclic reactions. This section alone saves students from buying a separate textbook on photochemistry. advanced organic chemistry by dr jagdamba singh pdf better
You have three legitimate options. Option 3 is the secret weapon for students. Most university libraries in India have 3-4 copies of Dr
Dr. Singh includes past CSIR-NET questions embedded in chapters. Do not look at the solution for 15 minutes. Struggle. When you look at the solution in the physical book, your brain creates a spatial memory of where that solution is located on the page, which improves recall during exams. This gives you a physical handout for 50 rupees
Most free PDFs available are the 2nd Edition (2004) or 3rd Edition (2007). The current recommended version is the 4th Edition (2011) or the revised 5th Edition.
If you are truly advanced (Ph.D. level), the free PDF of Carey & Sundberg Part A & B (available via the Internet Archive for borrowed access) beats Singh’s depth for pericyclic reactions.
Searching for "advanced organic chemistry by dr jagdamba singh pdf" typically leads you to old versions on Telegram or shady websites like Library Genesis (LibGen). Here is why these versions are not better: