How do I prepare for the CBSE board exam in 1 month?

Well I think I can answer this.

Just follow this few simple things ☺

1. Read ncert books
2. Try to solve previous years question paper
3. Clear your doubts
4. Try to study long with short break
5. Don’t mug up
6. Understand the concept
7. Be positive
8. Do practice
9. Study from notes
10. Be confident.