NCERT (National Council of Educational Research and Training) textbooks are widely used in India for general knowledge and math education. These textbooks are designed to provide a comprehensive understanding of various subjects to students from different backgrounds and levels of education.

NCERT textbooks cover a wide range of topics, including history, geography, science, mathematics, and social science. They are written in a simple and easy-to-understand language, making them accessible to students of all ages.

In addition to textbooks, NCERT also publishes workbooks, practice books, and reference books that help students develop their skills and knowledge in various subjects. These books are available in both print and digital formats and can be easily accessed online.

NCERT textbooks and other educational materials are highly recommended for students preparing for competitive exams, such as the UPSC Civil Services Examination, as they provide a strong foundation in various subjects.

Overall, NCERT textbooks are an excellent resource for general knowledge and math education, and are widely regarded as one of the best educational materials available in India.