For Better Preparation, Knowledge of Subject, Syllabus & Selection Process is must. So this book will provide you all valid information related to UPSC IFoS Test Pattern & Syllabus. Detailed syllabus of pre, mains, interviews have been given in this book including all optional subjects. How much you read doesn’t matter. How specific you read matters most. Do little bit more efforts than others. 25 percent extra efforts by you will make you winner. So make extra effort from now. About the Editor Wakil Kumar Yadav is an Academic book writer. He belongs to Siwan, Bihar, India. He has completed his graduation and post-graduation in English literature from A.N College Patna. Currently he is pursuing Ph.D. in English literature from Mahatma Gandhi Central University Bihar... He did his intermediate in science from D.A.V PG College Siwan. He completed his matriculation from Rajendra Singh High School Lohaganjar.