Backward class B P Mandal 1 Caste issues-kerala 1 Commission 1 Dalit issues 1 Dalit literature-malayalam 1 Dalit writings 1 Education 1 Ethnic groups- Social groups 1 Ethnography-Caste system 1 India 1 Law 1 Legal status 1 Social conditions 1 Theory of pollution 1 Tribal life 1 Tribes-art forms 1 Tribes-kerala-wayanad 1 Untouchability- Social problems 1 Untouchables- Harijan 1 law 1 sociology 1 upliftment 1