IB ACIO Tech & Wireless Telegraphy Exam Book is published by Ramesh Publishing House. It is available in English medium. Latest Edition & Uptodate Best Guide Book cum Reference Book for Intelligence Bureau Exam Preparation. Consist of Previous Years Solved Question Papers; prepared & designed strictly in accordance with the syllabus and examination pattern – IB ACIO Tech & Wireless Telegraphy Exam. Content of the book: General Knowledge/Awareness; Electronics & Telecommunication; Physics; Mathematics; Reasoning; English Comprehension.