The document discusses the concept of untouchability, a social system in which individuals' social status and roles are determined by their birth, primarily affecting the Dalit community in India. It highlights the problems faced by untouchables, including severe discrimination, poverty, and limited access to education and employment. Key leaders like Dr. Bhim Rao Ambedkar and Mahatma Gandhi are mentioned for their efforts to eradicate untouchability and support civil rights.