The 12th Hindi Book 100 Marks is an Android application developed by Book Reader that serves as a comprehensive resource for Bihar Board students. The app provides a detailed and in-depth study material for the Hindi subject, covering all the chapters of the syllabus. The book is designed to help students score the maximum marks in the Hindi subject.

The app covers a wide range of topics such as poetry, essays, and stories, divided into two sections, 'Gaddh Khand' and 'Paddh Khand.' The app offers a user-friendly interface, making it easy for students to navigate through the chapters. With the availability of this app, students can prepare for the Hindi exam at their convenience and pace.

Overall, the 12th Hindi Book 100 Marks is an excellent resource for students preparing for the Bihar Board exams. It provides comprehensive study material and is easy to use, making it an effective tool for students to score well in their Hindi exam.