On this page, you can find the complete 9th Odia & Odia Grammar book in PDF format and you can download it and read it as Soft Copy on your phone.
In addition, you can find questions and answers to both the Odia & Odia Grammar in the entire book. Which can be read in both Subjective and Objective sections. It also has the Topic wise feature. That way, you can easily get all the answers.