(a) In India, Scheduled Tribes (STs) has the highest voter turnout while in US it is whites.
(b) In India the voter turnout is more by the poor and underprivileged social group while in US the voter turnout is mom by the rich and affluent classes.
(c) The following measures can be adopted to increase the turnout of upper castes in India
(i) People should be motivated to cast their vote.
(ii) There should be campaigns to increase awareness and the value of voting.