Political theory and international relations are both sub-fields of political science. Political theory delves deep into government laws, justice and liberty. International relations focus on the political entities and their relationships with inter-governmental and international organizations. They are allied fields and play a crucial role in understanding the political scenario of any nation. Different approaches, evaluations, methodologies and advanced studies on political theories and international relations have been included in this book. It consists of contributions made by international experts. This book will prove to be immensely beneficial to students and researchers in this field.