This document contains a summary of the chapter "Indigo" from Kritika Gupta's class project. It discusses how Mahatma Gandhi helped the poor peasants of Champaran, Bihar, who were forced by British planters to grow indigo under an unfair agreement. It describes the nij and ryoti systems of indigo cultivation, the effects on the peasants, and how Gandhi's movement secured justice for them. It recognizes the Champaran movement as a turning point for Gandhi that showed the power of nonviolence and civil disobedience.