The Arthashastra, a foundational text of ancient Indian statecraft, was compiled between the fourth and second centuries BCE and traditionally attributed to the scholar-statesman Kautilya. Its fifteenth book, Tamtrayuktih (“The Plan of a Treatise”), stands as one of the earliest known guides to scholarly writing. This chapter explains how to structure a work with clarity, covering titles, introductions, chapter divisions, summaries, and logical progression. Written in straightforward Sanskrit, it reflects an ancient Indian emphasis on organized thought and disciplined communication. Rather than a mere writing manual, Tamtrayuktih reveals how classical Indian scholars believed knowledge must be carefully framed to be truly understood. Today, it remains a quiet masterpiece on the art of clear, purposeful writing.