This document provides an overview of the Dravidian languages. It discusses the prehistory and culture of the Dravidian-speaking peoples in South Asia. The document also examines the typological features and subgrouping of the Dravidian languages. It describes the major writing systems used in the literary Dravidian languages like Telugu, Kannada, Tamil, and Malayalam. Furthermore, it analyzes various linguistic features of the Dravidian languages including phonology, morphology, nominal and verbal systems, adjectives, adverbs, syntax and lexicon.