This book consists of - - Holistic and In-depth discussion of topics as per core needs and requirements of Preliminary and Mains Examination - One-stop solution for Comprehensive and Integrated subjects and topic-wise coverage - Diagrams, Flow charts, Timelines, and Comparative Tables for quick understanding and easy revision - Integrated and Holistic preparation of Preliminary and Mains stages of Kerala PSC - Previous Year Questions of Preliminary Examinations to assess understanding of the topics as per the demand of State PSC