Chola Empire's Dyke: How Kallanai Changed Tamil Agriculture

The Chola Empire: How South India Dominated the Indian Ocean — Fexingo History · Jul 21, 2026 · 8m · transcript

This episode dives into the engineering marvel of the Kallanai, an ancient dam built across the Kaveri River by the Chola king Karikala in the 2nd century CE. We explore how this massive stone structure—still in use today—transformed the arid delta into one of South India's richest agricultural zones. Lucas explains the dam's design: a granite barrier 329 meters long, 20 meters wide, diverting water into a network of canals that irrigated thousands of hectares. The conversation covers Karikala's motivations, the labor and engineering techniques involved, and the dam's role…