3. Which one of the following refers to untouchables? (a) Those groups of people who placed themselves at the top of the caste ladder (b) Those groups of people who saw themselves as superior (c) The groups of people who were placed at the bottom of the caste ladder and seen as unworthy (d) Those who are above poverty line
(c) The groups of people who were placed at the bottom of the caste ladder and seen as unworthy.
