Different official documents and reports have treated eastern India differently.

This chapter presents an empirical analysis of the interaction between canal irrigation and groundwater systems in canal commands.

The chapters presented in this section identify needs and potential for groundwater development and conjunctive use, with special reference to eastern India. The first chapter by T. Prasad and I. D.

Three chapters are presented in this section. The first, by C. Gopinath and A. H. Kalro, reviews the sustainabi1ity of some recent efforts to improve the management of Indian irrigation systems, largely below the watercourse outlet.

If we are to find lessons in sustainable managerial improvements for irrigation by studying innovations 1 rom domestic water supply, we must begin by recognizing the similarities and dissimilarities in the two sectors (or two branches of the same

Tank irrigation systems in southern India are centuries old. They account for over 30 percent of th( total irrigated area of Tamil Nadu, Karnataka, and Andhra Pradesh states.

India, in common with the rest of South Asia, has seen rapid strides in irrigation development in the past few decades.

Modern Indian irrigation development goes back in time at least to the construction of the Western Yamuna Canal near Delhi in 1355 by Ferozshah Tughlaq.

The five chapters presented in this section provide case studies of the performance of irrigation systems.

The expansion and improvement of irrigation facilities occupy a central place in India's strategy for raising agricultural productivity.

An interactive visualization tool, developed in partnership with StatPlanet, to provide detailed information about a diversity of indicators, including subnational crop area and yields, national average calorie availability, and international trad