The author Prashant Sharma has successfully qualified in UPSC and SSC competitive exams. He has served as a Sub Inspector in the Border Security Force. Due to his deep interest in teaching, he chose the education field. Currently, he is working as a mathematics teacher in a renowned institution in the country. The author has 8 years of experience teaching in several reputed institutions, and he has written more than ten books. By sharing his experience, the author has been able to help thousands of students achieve success in competitive exams. This book will prove to be a "RAMBAAN" for students preparing for SSC GD competitive exams.