Railway Group D Solved Papers Book (Hindi) is published by Kiran Prakashan. It is available in Hindi medium. Best Guide Book cum Reference Book for Railway / RRB Exam Preparation. Consist of Previous Years Solved Question Papers. RAILWAY GROUP ‘D’ 2003-2016 SOLVED PAPER (HINDI). Useful for the recruitment exam to the post of: Trackman, Helper, Khalsi, Attendant, Porter, Gangman, Gateman, and other Group D Exams conducted by different Railway Zones.