For geography , K Siddhartha's books are currently sufficient, but for deeper preparation dont forget to go through the NCERT books. For Sociology you can use following reference books PAPER - I 1 Herton and Hunt, Sociology Mcgraw- Hill 2 Abrahamson Mark, Urban Sociology Prentice-Hall 3 Haris C. C., The Sociology Enterprises : A Disscussion of Fundamental Concept St. Martin Press Inc. 4 Wilson John, Introduction to Social Movements 5 Hamilton , Malcom, B. The Sociology of Religion 6 Williams, Malcom, Science and Social Science : An Introduction 7 D.K.S. Roy, Social Development and the Empowerment of Mariginalised Groups: Perspectives and Strategies 8 Harris C.C., The Family 9 Andreas Hess, Concept of Social Stratification, European and American Models 10 Giddens, Anthony, Capitalisation and Modern Social Theory 11 Smelser, N.J.The Sociology of Economic Life Prentice Hall 12 Haralombos, M, and Heald, R,M. Sociology : Themes and Perspectives Oxford 13 Randall Collins, Theoretical Sociology 14 Bottomore. T.B. Sociology : A Guide of problem and Literature 15 Etzioni, Amitali, Modern Organization 16 Cuff, Sharrock, and Francis, Perspective in Sociology PAPER - II 1 Mandelbaum, David, Society in India 2 Srivnivas M N Caste in Modern India and Other Essays 3 Srinivas M N Social Change in Modern India Berkeley 4 Srinivas and Shah, The Myth of the self sufficiency of the Indian Village 5 Beteille Andre Sociology 6 Beteille Andre, The idea of Natural, Inequality and other Essays 7 Beteille Andre, Essay in Contemporary Sociology 8 Beteille Andre, Social Inequality of Indian 9 Singh Yogender Cultural Change in India 10 Singh Yogender, Modernization of Indian Tradition 11 Unnithan T K , Indra Dev and Singh, Y, (eds) Towards a Sociology of Culture in India 12 Gupta, Dipasnkar, Interrograting Caste 13 Shah A M Family in Contempory India 14 Chandrani and Chandrani, Essay in Rural Sociology 15 Desai, Neera, and Krishnaraj, Women and Society in India 16 Singer Milton and Cohen B.S. Structure and change in Indian Society 17 Sharma K L (ed) Social Inequalities in India, Profiles of Caste Class, Power and Social Mobility 18 Gallenter Masrc, Competing, Inequalities 19 Joshi, P C Social Science and Development: Quest for Relevance