A high-altitude expedition in the Karakoram range has recovered a remarkably well-preserved birch-bark scroll containing the 'Kriya-Sutra'. This 4th-century BCE text outlines a 'Philosophy of Purposive Action,' which distinguishes between reflexive movement and conscious agency, providing a foundation for early Vedic theories of volition.
The scroll, written in an early form of Kharosthi script, explores the idea that every action leaves a 'subtle residue' on the intellect, which dictates future inclinations. This discovery offers a glimpse into the pre-classical psychological frameworks of the northwestern frontier, where Vedic and local mountain traditions likely intersected.