A new Class 9 mathematics textbook by the National Council of Educational Research and Training (NCERT) calls the Sindhu-Sarasvati civilisation the first systematic use of grid-based thinking, says ...
The NCERT has officially released the NCERT Class 9 new books for the academic session 2026-27. The updated textbooks are as per the latest CBSE syllabus and follow the framework of NEP 2020 and NCF ...
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