Book excerpt: The book “Guide for Intelligence Bureau Assistant Central Intelligence Officer Grade-II/ Executive (Tier - I) Exam book ' covers 4 comprehensive sections on: Quantitative Aptitude, Numerical/Analytical/ Logical Ability & Reasoning, English language and General awareness/ General studies. # The book also covers 4 past papers (2012, 2013, 2015, 2017 & 2021).The book covers detailed theory along with solved examples and short-cuts tricks to solve problems. # The General Awareness/ General Studies section (thoroughly updated) covers questions on Current Affairs, History, Geography, Politics, Economic and General Science etc. # The Numerical/ Analytical/ Logical Ability & Reasoning section includes Verbal and Non-Verbal Reasoning. # The book provides 3000+ questions with solutions to the exercise have been provided at the end of each Chapter. # 100% Errorless solutions provided.