Social work practice is a process of deciding action from a variety of alternative positions. We always have social theories that help us decide why and how to choose between the alternatives, even if we hide it from ourselves. This implies that social workers need to have ideas and perspectives that try to explain why and how we should make our practice decisions. This course is an introductory review of paradigms and social theories related to social work practice. This course lends a deeper perspective and understanding to explain, describe or justify what social workers do. This course is guided by the assumption that social work educators and learners need to use reflection and reflexivity as a consistent way of working through certain set of ideas and applying them where they are required or seem relevant. This course on social theories deepen the understanding on the meanings and discourses related to social work by equipping the learners to analyse social phenomena, problems and realities that social workers deal every day. It is very essential that learners in social work get to know the interaction between different sets of knowledge and their positioning across diverse world views. Social theory’s tasks in social work are twofold – that of critique or social criticism and of developing ‘sensitizing concepts’ that provide insights into society, its norms and forms with a propensity for change. This course undertakes a journey into the key paradigms and the subsequent shifts in social theorizing. This would provide a base to understand movements and revolutions for change and further concretise the understandings embedded in social categorical imperatives such as caste, class, gender and ethnicity.