This kind of practical numerical problem makes Khurmi’s book invaluable for exam preparation. R.S. Khurmi’s Railway Engineering (the RAC book) remains a gold standard for undergraduate civil engineering students in India. While getting a free PDF is tempting, supporting the author by buying a legal copy or e-book ensures you get complete, error-free content without legal risks.

If you’re preparing for , this book’s solved numericals are worth their weight in gold.