- "IBPS RRB Officer Scale 1 Guide" by Disha Experts
- "IBPS RRBs Officer (Scale-I) Preliminary & Main Guide" by Arihant Experts
- "IBPS RRBs Officers (Scale I, II & III) CWE-IX Guide" by GKP


- "Quantitative Aptitude for Competitive Examinations" by R.S. Aggarwal
- "Fast Track Objective Arithmetic" by Rajesh Verma
- "Quantitative Aptitude for Competitive Examinations" by Abhijit Guha


- "A Modern Approach to Verbal & Non-Verbal Reasoning" by R.S. Aggarwal
- "Analytical Reasoning" by M.K. Pandey
- "Logical Reasoning and Data Interpretation for the CAT" by Nishit K. Sinha


- "Objective General English" by S.P. Bakshi
- "High School English Grammar and Composition" by Wren and Martin
- "Word Power Made Easy" by Norman Lewis


- "Banking Awareness" by Arihant Experts
- "Lucent's General Knowledge" by Dr. Binay Karna, Manwendra Mukul, R.P. Suman
- "General Knowledge" by Arihant Experts


- "Objective Computer Awareness" by Arihant Experts
- "Computer Awareness" by Mini Goyal and Shweta Rani


- "IBPS RRBs Officer Scale-I Preliminary Exam Practice Work Book" by Kiran Prakashan
- "IBPS RRBs Officer Scale-I Main Exam Practice Work Book" by Kiran Prakashan
- "IBPS RRBs Officer Scale-I Preliminary Exam Superfast Practice Sets" by Kiran Prakashan

These study materials cover the entire syllabus of the IBPS RRB PO exam and are highly recommended for thorough preparation. They provide comprehensive coverage of all the topics and include practice questions, solved examples, and detailed explanations. Additionally, solving previous year question papers and taking mock tests will help candidates familiarize themselves with the exam pattern and improve their time management skills.

Remember, it is important to study from trusted sources and practice regularly to enhance your chances of success in the IBPS RRB PO exam.