Since you are specifically looking for the resource, beware of low-quality scans. The best versions of Soil Mechanics by Sandeep Jyani PDF have the following characteristics:

Most students fail because they treat these blocks separately. The truth is, Soil Mechanics is a story. Understanding effective stress (the protagonist) requires knowing pore water pressure (the antagonist). Sandeep Jyani’s strength lies in weaving this story.

If you were to download the widely circulated notes from Dr. Jyani’s live classes, you would notice three distinct features that separate them from standard university textbooks: