| ★ |  RRB NTPC Biology Marathon 2026 | RRB NTPC Marathon Class | RRB NTPC Science Classes | Radhika Ma'am | RG Railway Exams @rgrailwayexams | 149.5K | India | |
| 1 |  Railway Biology Mock Test 3 Marathon 2026 | 40 Din 40 Marathon 22 | By Radhika Ma’am | RG Railway Exams @rgrailwayexams | — | India | 96 |
| 2 |  All Railway Exams 2026 | Science | Biology Mock Test - 2 | 40 Din 40 Marathon 21 | By Radhika Ma’am | RG Railway Exams @rgrailwayexams | — | India | 96 |
| 4 |  Railway Biology Mock Test 5 Marathon 2026 | 40 Din 40 Marathon 24 | By Radhika Ma’am | RG Railway Exams @rgrailwayexams | — | India | 95 |
| 7 |  All Railway Exams 2026 | Science | Biology Mock Test - 1 | 40 Din 40 Marathon | By Radhika Ma’am | RG Railway Exams @rgrailwayexams | — | India | 95 |
| 10 |  Railway Exams 2026 Biology | Environment (पर्यावरण) | 40 Din 40 Marathon - 17 | Radhika Ma’am | RG Railway Exams @rgrailwayexams | — | India | 94 |
| 11 |  Railway Exams 2026 Biology | Botany (वनस्पति विज्ञान) | 40 Din 40 Marathon - 18 | Radhika Ma’am | RG Railway Exams @rgrailwayexams | — | India | 94 |
| 17 |  Railway Exams 2026 Biology | Food Resources (खाद्य संसाधन) | 40 Din 40 Marathon - 19 | Radhika Ma’am | RG Railway Exams @rgrailwayexams | — | India | 93 |
| 14 |  RRB NTPC Maths Marathon 2026 | RRB NTPC Marathon Class | RRB NTPC Maths Classes | Dharmender Sir | RG Railway Exams @rgrailwayexams | 98.2K | India | 94 |
| 6 |  RRB Group D / RRB NTPC Biology Classes 2026 | TISSUE (उत्तक) | Rankers Express Batch | Radhika Mam | RG Railway Exams @rgrailwayexams | 26.9K | India | 95 |
| 9 |  RRB NTPC Science | हर Shifts में थे इस Topic से Questions | RRB NTPC Science PYQ | Radhika Ma'am | RG Railway Exams @rgrailwayexams | 26.4K | India | 94 |
| 19 |  Railway Exams 2026 Biology | Respiratory System श्वसन तंत्र | 40 Din 40 Marathon 16 | Radhika Ma’am | RG Railway Exams @rgrailwayexams | 22.2K | India | 93 |
| 20 |  RRB Technician Science Marathon Class | RRB Technician Grade 3 Science | Pushpendra Sir | RG Railway Exams @rgrailwayexams | 21.8K | India | 93 |
| 3 |  Railway Biology Mock Test 4 Marathon 2026 | 40 Din 40 Marathon 23 | By Radhika Ma’am | RG Railway Exams @rgrailwayexams | 15.9K | India | 96 |
| 5 |  Railway Science Marathon Class | RRB Technician Biology Questions | 40 Din 40 Marathon | Radhika Mam | RG Railway Exams @rgrailwayexams | 15.6K | India | 95 |
| 18 |  Railway 2026 Biology 🧬 Cell Structure 🔥 RRB ALP/NTPC/Group D | Demo Class 💯| Radhika Ma’am | RG Railway Exams @rgrailwayexams | 13.7K | India | 93 |
| 8 |  Railway Science Marathon Class | RRB Technician Biology Questions | 40 Din 40 Marathon | Radhika Mam | RG Railway Exams @rgrailwayexams | 13.0K | India | 95 |
| 13 |  RRB NTPC Science 2026 | RRB NTPC Top 40 Science Questions | RRB NTPC Science PYQ | Pushpendra Sir | RG Railway Exams @rgrailwayexams | 12.2K | India | 94 |
| 16 |  RRB NTPC Science 2026 | RRB NTPC Top 40 Science Questions | RRB NTPC Science PYQ #2 | Pushpendra Sir | RG Railway Exams @rgrailwayexams | 7.0K | India | 94 |
| 15 |  RRB NTPC Science 2026 | RRB NTPC Top 40 Science Questions | RRB NTPC Science PYQ #3 | Pushpendra Sir | RG Railway Exams @rgrailwayexams | 6.2K | India | 94 |
| 12 |  Railway NTPC Science 2026 I Most Expected Science I RRB NTPC Science I RRB NTPC Marathon #ntpc | | 2.1K | India | 94 |