It is Navbodh pariksha saar
It is usually a guide for class 10th mathematics for CG board
It includes
1. 3 years pyqs with solution
2. Two sets of model paper
3. Two sets of Expected question paper
4. Interview of a merit list student
It is based on complete syllabus of CG class 10th board
You can buy it without hesitation because this book content is same every year