India's caste system is a framework for societal limitations. The Rigveda's Purusha Sukta has the earliest recorded use of the term "Varna." The four Vedas were produced by God, according to the Bhagavad Gita and the Manusmriti. Priests are Brahmins, and they are on top, followed by Kshatriyas, who are political leaders who are in charge of running the nation. The third class, the Vaishya’s, or merchants, are followed by the Shudras, who are mostly labourers, farmers, and craftsmen. They belonged to the group of people in society who were seen as corrupt and unclean, the untouchables. They were social outcastes. Subsequently, this evil even more thoroughly enveloped Hindu Indian civilization. Hindu society's untouchability was an issue that Buddha, Mahavira, Kabir, Nanak, Dayananda, and others attempted to address. during the Indian National Movement, while Dr. B. R Ambedkar tried to do away with the caste system altogather by passing laws, Mahatma Gandhi committed himself wholeheartedly to the cause of eliminating untouchability. Gandhi began to use the term “Harijan” (people of God) in place of untouchables to promote tolerance for the lower castes. Mahatma Gandhi led a successful non-violent revolution to free India from British colonial rule. He inspired Indians to unite against a foreign power that had existed for 200 years. He fought hard to rid Indian society of the age-old and deep-seated prejudices against untouchable castes.