Search for "Strength of Materials R.S. Khurmi" on Google Books. Many editions have a free preview covering 20–30% of the book, including the chapter on Simple Stress and Strain. This is excellent for last-minute revision.
Download the free syllabus from AICTE or your university. Match topics with Khurmi’s table of contents (legally previewed on Google Books). strength of materials by rs khurmi pdf free download patched