The National Council of Educational Research and Training (NCERT) in India is responsible for publishing textbooks that are widely used in schools across the country. These textbooks cover a range of subjects and classes. Here are some key points about NCERT books:

1. Standard Curriculum: NCERT books are designed to follow the official curriculum prescribed by education boards in India, including CBSE (Central Board of Secondary Education).

2. Widely Used: NCERT textbooks are commonly used by students in CBSE-affiliated schools. Many competitive exams, including JEE and NEET, also refer to NCERT content.

3. Clear and Concise: NCERT books are known for presenting concepts in a clear and concise manner. They provide a solid foundation for understanding various subjects.

4. Subject Range: NCERT books cover a wide range of subjects, including Mathematics, Science, Social Science, English, Hindi, and more. Each subject is divided into different classes or grades.

5. Supplementary Materials: In addition to textbooks, NCERT also publishes supplementary materials, including exemplar problems, laboratory manuals, and teacher guides.

6. Accessible: NCERT books are often available at affordable prices, making them accessible to a large number of students. In recent times, digital versions of NCERT books have become available for online access.

7. Relevance in Competitive Exams: Concepts from NCERT books are fundamental and form the basis for various competitive exams. Many students use NCERT books as a primary resource for exam preparation.

If you are a student or educator looking for NCERT books, they are typically available at local bookstores, educational institutions, and online platforms. Additionally, the official NCERT website provides free access to digital versions of their textbooks.