This comprehensive Hindi grammar textbook for Classes 9 and 10 (Course A) is designed to strengthen students’ understanding of advanced grammatical concepts as per the CBSE curriculum. Written by experienced educators, the book covers foundational and higher-order grammar topics such as sentence structure, usage, transformations, and written expression. It also includes passages for reading and listening skills, varied examples from prescribed texts, practice questions (with and without answers), and model papers that help students prepare effectively for school assessments and board examinations.