This comprehensive Hindi Vyakaran (grammar) book for Classes 9 and 10 under Course B is designed to support students in mastering advanced grammar concepts as per the CBSE curriculum. Authored by experienced educators, it provides clear explanations of grammatical rules, numerous examples, and varied practice exercises. The book includes topics such as syntax, sentence formation, language usage, and unseen passages to strengthen reading, writing, and analytical skills. It also offers model question papers and practice questions to help students prepare effectively for school tests and board examinations.