The book has been written in accordance with the new curriculum prescribed by the Curriculum Development Center (CDC), Nepal.
Every chapter in the book has been written in simple and lucid language so that the students will understand concepts easily. In addition, the book has been made user-friendlier by incorporating the main points in Things to Remember. The exercises in each chapter follow the NEB format. There are Very Short Answers Type Questions, Short Answers Type Questions, Long Answers Type Questions, Numerical Problems, and Model Questions. Furthermore, Project Works have been provided in most of the chapters. So, this book should serve as a manual for the students.