EZHAVAS; CASTE SYSTEM; 1 CONVERTED CHRISTIANS; 1 DALIT MOVEMENTS; 1 DOCTORAL DISSERTATIONS; 1 HINDU REFORM ACTIVITIES 1 HISTORY 1 KERALA HISTORY; 1 MISSIONARIES; 1 OCCASIONAL PAPER; 1 PRDS (പ്രത്യക്ഷ രക്ഷാദൈവ സഭ); 1 PhD THESIS 1 RELIGIOUS CONVERSIONS; 1 S.N.D.P 1 SNDP YOGAM 1 SNDP; 1 SOCIAL REFORMER; 1 THIYYAS; 1 VAIKOM SATYAGRAHA; 1