This document provides a lesson plan for teaching 9th standard students about the use of iron in ancient India. It will cover how iron was introduced around 3000 years ago when Vedic people inhabited the region of Sapta Sindhu in northwest India. Students will learn about the lifestyles and agriculture of the Vedic people, how iron led to increased production, and how this differentiation in society. The lesson incorporates classroom activities and discussions to help students understand and compare the Iron Age and social developments.