FATMAN is a power-packed GK-GS theory manual designed specifically for aspirants preparing for SSC (CGL, CHSL, GD, MTS), Railway (RRB NTPC, Group D), Defence (Airforce, Navy, Army), State PCS, and other one-day competitive exams. Curated under the expert guidance of Parmar Sir, this book presents complex facts in a simplified manner with updated data, crisp explanations, and clear categorization across major topics.