The present book has been specially published for the aspirants of EPFO–Social Security Assistant (SSA) Phase-I: Preliminary Exam. The book comprises, along with the Specialised Study and Practice Material, a Solved Question Paper to make you familiar with the exam pattern. The book contains Specialised Study and Practice Material with numerous Multiple Choice Question-Answers on all the important subjects relevant to the exam. All the questions have been solved by respective subject-experts with due diligence. Detailed Explanations have also been provided for the Selected Questions for Better Understanding.It is believed, the book will prove very useful for study, practice and during precious moments before the exam for reference and revision. The book is highly recommended to Sharpen your Problem Solving Skills with thorough practice of numerous questions provided, and prepare yourself to face the exam with Confidence, Successfully.While the specialised study and practice material of this book is aimed to prepare you for Sure Success, your own intelligent study and practice combined with this will definitely Ensure you a successful career with EPFO.