Railway Non Tech Main Exam Book (English) is published by Kiran Prakashan. It is available in English medium. Best Guide Book cum Reference Book for Railway / RRB Exam Preparation. Consist of Previous Years Solved Question Papers. RAILWAY NON TECHNICAL (GRADUATE LEVEL) 2ND STAGE MAIN EXAM SOLVED & PRACTICE WORK BOOK (ENGLISH). Useful for recruitment exam to the post of : ASM & TA, ECRC, CA, TA & Goods Guard, JAA, Senior Clerk, Senior Time Keeper.