Group D preparation is at Class 10 level. The best strategy is to use NCERT textbooks for concept foundation and MCQ practice books for exam-level drill. General Science (25 marks) is often the most neglected but high-yield section.
Mathematics
| Book | Author | Best For |
|---|---|---|
| Quantitative Aptitude for Competitive Examinations | R.S. Aggarwal | All arithmetic topics at Class 10 level |
| NCERT Mathematics Class 9 & 10 | NCERT | Mensuration, Geometry, Trigonometry concepts |
General Science
| Resource | Best For |
|---|---|
| NCERT Science Class 9 & 10 | Physics, Chemistry, Biology concepts – primary source |
| Lucent's General Science | Quick revision; MCQ-focused science facts |
General Intelligence & Reasoning
| Book | Author | Best For |
|---|---|---|
| A Modern Approach to Verbal & Non-Verbal Reasoning | R.S. Aggarwal | Complete reasoning coverage |
General Awareness & Current Affairs
- Lucent's General Knowledge – Static GK (History, Geography, Polity, Economy)
- Monthly Current Affairs digest – Last 6 months; Science & Tech, Sports, Railway news
- Indian Railways GK booklet – Railway zones, facts, recent projects
Practice
- Group D PYQs from 2018 and 2022 cycles – available free at RRB regional websites
- Daily 50-question practice drill across all 4 subjects
- Parallel physical fitness: 1000m run practice daily from preparation start