Irrigation systems, water harvesting structures, reservoirs, canals, embankments and hydraulic devices formed the backbone of agricultural expansion in ancient and medieval India. Literary texts such as the Rig Veda and the Arthashastra, along with South Indian irrigation traditions and Vijayanagara administrative systems, reveal the existence of a highly developed hydraulic civilization.
In the Arthashastra, Kautilya defines Setu as a dam or embankment built to hold water.He classified Setu into two categories:
These referred to:
fed naturally by springs.
These referred to embankments built between hills to:
The concept reflects organized state involvement in hydraulic engineering and irrigation management.
In the Rig Veda and later texts such as the Arthashastra, Kulya referred specifically to:
The Arthashastra frequently mentions Kulyā in the context of:
The use of Kulyā demonstrates the existence of an advanced irrigation network and a sophisticated hydraulic civilization.
The Ghati Yantra, also known as Ghaṭīyantra or Araghatta, was an important hydraulic mechanism used for lifting water for irrigation.Main features:
The system enabled efficient irrigation and supported agricultural production in water-scarce regions.
The Shaduf was an ancient hand-operated water-lifting device used primarily for irrigation.It consisted of:
Functions:
The device became an important component of ancient irrigation systems.
An Eri (Tamil: ஏரி) was a traditional man-made tank or reservoir system used extensively in South India, especially in Tamil Nadu.Functions:
The Eri system remained central to South Indian agriculture for more than 1,500 years and represented one of the most sophisticated traditional water management systems in India.
Kallanai, also known as the Grand Anicut, is among the world’s oldest continuously functioning water-diversion structures.It was:
Main features:
The structure remains one of the greatest achievements of ancient Indian hydraulic engineering.
Kudimaramath was a traditional South Indian system of:
The term derives from:
The system involved collective participation by local communities in maintaining:
It reflects decentralized irrigation administration and collective responsibility in agrarian society.
The Kere-Bavi system formed an integrated traditional water management network in Karnataka.Components included:
The system enabled:
In Karnataka, Kere referred to traditional man-made tanks or reservoirs.Characteristics:
Keres formed the foundation of regional hydraulic management systems.
The Nayankara system was an important military-administrative structure of the Vijayanagara Empire.The Nayakas functioned not only as military chiefs but also as:
Their responsibilities included:
The system linked:
The Amaram system was a land-tenure and military-administrative arrangement under the Vijayanagara Empire.Under this system:
The system played an important role in:
Thus, the Amaram system integrated: