This document discusses planning and management for tsunamis, focusing on the 2004 Indian Ocean tsunami. It provides an overview of tsunamis, including what they are, their causes and characteristics. It then discusses the impacts of tsunamis, including major historical tsunamis and their effects in India. The document analyzes the areas affected and impacts of the 2004 tsunami in India, particularly in Tamil Nadu. It also examines the local, state and national response and policies related to disaster management and reconstruction in India.