This course aims to analyze security studies with a specific focus on the critical approaches to international security and new conceptual tools developed in the post- the Cold War era. The objectives of this course are to provide the students with awareness of key debates and knowledge of issues in the new security agenda in a theoretical perspective. The course also aims to develop analytical and critical skills of the undergraduate students to comprehend and discuss the specific cases in the changing conceptual/theoretical framework of International Security by referring to different sectors of security such as military, economy, society, politics, energy and environment.