CASTE SYSTEM; DOCTORAL DISSERTATIONS; 2 PhD THESIS 2 ANITA NAIR 1 ANTONIO GRAMSCI; 1 AYYANKALI 1 COMMUNISM ; 1 CONVERTED CHRISTIANS; 1 CUSTOMS; 1 DALIT CHRISTIANS; 1 DALITS 1 DEVOTION; 1 DOCTORAL DISSERTATION; 1 EZHAVAS; 1 HEGEMONY; 1 KURAVA 1 LAND RELATIONS; 1 MARUMAKKATHAYAM ( മരുമക്കത്തായം) 1 MULTICULTURALISAM; 1 PARAYAS; 1 PHD THESIS; 1 PULAYAS 1 SCHEDULED CASTE; 1 SOCIAL REFORM MOVEMENTS 1 THIYYAS; 1 TRADE RELATIONS; 1 UNTOUCHABILITY; 1 UNTOUCHABLES; 1