: The book's detailed treatment of modern Indian history makes it a popular choice even for aspirants of competitive exams like WBCS. Weaknesses Print Quality
| Activity | Recommended Time | Benefit | |----------|----------------|---------| | History study (using legal book) | 1.5 hours/day | Deep learning without burnout | | Physical exercise | 30 minutes | Improves memory and focus | | Entertainment (games, music, web series) | 1 hour | Reduces stress, prevents cramming | | Sleep | 7–8 hours | Consolidates historical facts in long-term memory | jiban mukhopadhyay history book class 10 pdf full download