Friends S chand books are very helpful to score good marks in board exams .even this books are ver helpful to score 10 CGPA in the 10th board cbse exams.the way of studying from this are
- read the concepts carefully.
2.prepare the notes from this
this books contains all extra and all the topics that are required to score good marks in the board exams.freins I also score 10 CGPA in 10th board exam and I even get the merit certificate .