This book is prepared for the recruitment of Junior Engineer CBT-I & II for all streams in the Railway Recruitment Board, i.e RRB.\n\nIt is divided into Mechanical, Civil, Electrical, Electronics, Computer Science, Instrumentation, Science, Numerical, Reasoning, Basics of Environment and Pollution and Control, Basics of Computers and Applications, and General Awareness.\n\nTowards the end, there are 5 sets of solved papers of CBT-I& II of the 2019 exams.\n\nKey Features:\n1) Divided into dedicated solutions\n2) 5 sets of solved papers of the 2019 exam\n3) Based on the latest pattern.