The book Railway Group-D Original Solved Paper Vol. 3 by Khan Sir (Bihar Kesari) is an excellent study resource for aspirants preparing for various Railway Recruitment Board (RRB) exams such as Group-D, NTPC, ASM, Goods Guard, TA, CA, TC, Clerk, Loco Pilot, and Assistant Driver. It contains 99 Original Shift-Wise Solved Question Papers with detailed explanations and discussions. The book focuses on Logical and Analytical Reasoning, presented in an easy-to-understand and exam-oriented manner.
