This document provides an overview of the evolution of script and languages in India. It begins by discussing the Indus script from the Harappan civilization, noting that it was a pictographic script but has not been deciphered. It then covers the development of the Brahmi script, thought to be derived from Aramaic, and how it influenced scripts across South and Southeast Asia. The document also provides summaries of the major texts of Vedic literature - the Rigveda, Yajurveda, Samaveda, and Atharvaveda. It concludes with an overview of the Upanishads, philosophical texts considered the end of the Vedas that discuss knowledge and spiritual liberation.