This document provides an overview of the physiographic distribution of India. It describes the major physiographic regions of India, including the Himalayan Mountains, Northern Plains, deserts, peninsular plateau, coastal plains, and islands. The document explains key features of each region, such as the formation of the Northern Plains by major river systems and the black soils of the peninsular plateau. In conclusion, it discusses the relationship between geography and biology, noting that the different landforms and environments shape biodiversity patterns in India.