backward classes
noun /ˌbækwəd ˈklɑːsɪz/
/ˌbækwərd ˈklæsɪz/
[plural]- (in India) the people in a caste (= division of society) or community who are recommended by each state authority for special help in education and employment
落后阶层,落后种姓(印度各邦当局建议在教育和就业方面给予优惠)