This volume presents a state-of-the-art survey of synchronic and diachronic dimensions of Ergativity in the Indo-Aryan language family. It contains an introduction drawing on the most important recent typological and theoretical contributions to this field, plus seven papers about the origin, development and distribution of ergative alignment in ancient and modern Indo-Aryan languages written by well-established expert authors. The articles provide detailed explorations of language-specific synchronic systems or patterns of change, and large-scale studies of the distribution of ergative...